[website] Update Website According to ASF Requirements (#1251)

* [website] Add links to ASF in menu bar

Comply with https://www.apache.org/foundation/marks/pmcs#navigation

* [website] Update landing page header and footer

* [website] Update download page

* [website] Update landing page

* [website] Make download page consistent

* [website] Add incubator logo

* Use (TM) symbol in header only

* Move ASF dropdown to the right

Author: michaelkoepf

website/docusaurus.config.ts

@@ -21,7 +21,7 @@ import type * as Preset from '@docusaurus/preset-classic';
 import versionReplace from './src/plugins/remark-version-replace/index';
 
 const config: Config = {
-  title: 'Apache Fluss™ (incubating)',
+  title: 'Apache Fluss™ (Incubating)',
   tagline: 'Streaming Storage for Real-Time Analytics',
   favicon: 'img/logo/fluss_favicon.svg',
 
@@ -157,6 +157,16 @@ const config: Config = {
         {to: '/community/welcome', label: 'Community', position: 'left'},
         {to: '/roadmap', label: 'Roadmap', position: 'left'},
         {to: '/downloads', label: 'Downloads', position: 'left'},
+        {
+            label: 'ASF', position: 'right', items: [
+                {to: 'https://www.apache.org/', label: 'Foundation'},
+                {to: 'https://www.apache.org/licenses/', label: 'License'},
+                {to: 'https://www.apache.org/foundation/sponsorship.html', label: 'Donate'},
+                {to: 'https://www.apache.org/foundation/thanks.html', label: 'Sponsors'},
+                {to: 'https://www.apache.org/security/', label: 'Security'},
+                {to: 'https://privacy.apache.org/policies/privacy-policy-public.html', label: 'Privacy'}
+            ]
+        },
         {
           type: 'docsVersionDropdown',
           position: 'right',
@@ -172,8 +182,15 @@ const config: Config = {
     },
     footer: {
       style: 'dark',
-      copyright: `Copyright © ${new Date().getFullYear()} The Apache Software Foundation.
-      Apache®, Apache Flink®, Flink®, Apache Kafka®, Kafka®, Spark® and associated open source project names and logos are trademarks of the Apache Software Foundation.`,
+      logo: {
+        width: 200,
+        src: "/img/apache-incubator.svg",
+        href: "https://incubator.apache.org/",
+        alt: "Apache Incubator logo"
+      },
+      copyright: `<br><p>Apache Fluss is an effort undergoing incubation at The Apache Software Foundation (ASF), sponsored by the Apache Incubator. Incubation is required of all newly accepted projects until a further review indicates that the infrastructure, communications, and decision making process have stabilized in a manner consistent with other successful ASF projects. While incubation status is not necessarily a reflection of the completeness or stability of the code, it does indicate that the project has yet to be fully endorsed by the ASF.</p>
+                  <p>Copyright © ${new Date().getFullYear()} The Apache Software Foundation, Licensed under the Apache License, Version 2.0.</p>
+                  <p>Apache, the names of Apache projects, and the feather logo are either registered trademarks or trademarks of the Apache Software Foundation in the United States and/or other countries. All other marks mentioned may be trademarks or registered trademarks of their respective owners.</p>`,
     },
     prism: {
       theme: prismThemes.vsDark,

website/src/components/HomepageIntroduce/index.tsx

@@ -28,10 +28,9 @@ type IntroduceItem = {
 
 const IntroduceList: IntroduceItem[] = [
   {
-    title: 'What is Apache Fluss?',
     description: (
       <>
-        Fluss is a streaming storage built for real-time analytics which can serve as the real-time data layer for Lakehouse architectures. With its columnar stream and real-time update capabilities, Fluss integrates seamlessly with Apache Flink to enable high-throughput, low-latency, cost-effective streaming data warehouses tailored for real-time applications.
+        <b>Apache Fluss (Incubating)</b> is a streaming storage built for real-time analytics which can serve as the real-time data layer for Lakehouse architectures. With its columnar stream and real-time update capabilities, Fluss integrates seamlessly with Apache Flink to enable high-throughput, low-latency, cost-effective streaming data warehouses tailored for real-time applications.
       </>
     ),
     image: require('@site/static/img/fluss.png').default,

website/src/pages/downloads.md

@@ -16,9 +16,15 @@
  limitations under the License.
 -->
 
-# Fluss Downloads
+# Apache Fluss (Incubating) Downloads
 
-## Fluss 0.7.0
+> Apache Fluss (Incubating) is a streaming storage built for real-time analytics which can serve as the real-time data layer for Lakehouse architectures. 
+
+**Note:** We are currently preparing for the first release under the Apache Incubator. Previous releases were non-Apache releases.
+
+## Previous Releases (Non-Apache)
+
+### Fluss 0.7.0
 
 #### Fluss
 
@@ -44,7 +50,7 @@
 
 - [fluss-flink-tiering-0.7.0.jar](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-flink-tiering/0.7.0/fluss-flink-tiering-0.7.0.jar) ([asc](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-flink-tiering/0.7.0/fluss-flink-tiering-0.7.0.jar.asc), [sha](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-flink-tiering/0.7.0/fluss-flink-tiering-0.7.0.jar.sha1))
 
-## Fluss 0.6.1
+### Fluss 0.6.1
 
 #### Fluss
 
@@ -60,7 +66,7 @@
 - [fluss-fs-oss-0.6.1.jar](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-fs-oss/0.6.1/fluss-fs-oss-0.6.1.jar) ([asc](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-fs-oss/0.6.1/fluss-fs-oss-0.6.1.jar.asc), [sha](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-fs-oss/0.6.1/fluss-fs-oss-0.6.1.jar.sha1))
 - [fluss-fs-hadoop-0.6.1.jar](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-fs-hadoop/0.6.1/fluss-fs-hadoop-0.6.1.jar) ([asc](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-fs-hadoop/0.6.1/fluss-fs-hadoop-0.6.1.jar.asc), [sha](https://repo1.maven.org/maven2/com/alibaba/fluss/fluss-fs-hadoop/0.6.1/fluss-fs-hadoop-0.6.1.jar.sha1))
 
-## Fluss 0.5.0
+### Fluss 0.5.0
 
 #### Fluss
 

website/src/pages/index.tsx

@@ -72,7 +72,8 @@ export default function Home(): JSX.Element {
     const {siteConfig} = useDocusaurusContext();
     return (
         <Layout
-            title="Apache Fluss™ (incubating)"
+            // leave empty to just display "Apache Fluss (Incubating)" in tab on landing page
+            title=""
             description="Streaming Storage for Real-Time Analytics">
             <HomepageHeader/>
             <main>