doc: update README for release (#138)

Author: imbajin

README.md

@@ -3,6 +3,9 @@
 [![License](https://img.shields.io/badge/license-Apache%202-0E78BA.svg)](https://www.apache.org/licenses/LICENSE-2.0.html)
 [![codecov](https://codecov.io/gh/hugegraph/hugegraph-common/branch/master/graph/badge.svg)](https://codecov.io/gh/hugegraph/hugegraph-common)
 [![Maven Central](https://maven-badges.herokuapp.com/maven-central/org.apache.hugegraph/hugegraph-common/badge.svg)](https://mvnrepository.com/artifact/org.apache.hugegraph/hugegraph-common)
+[![CodeQL](https://github.com/apache/incubator-hugegraph-commons/actions/workflows/codeql-analysis.yml/badge.svg)](https://github.com/apache/incubator-hugegraph-commons/actions/workflows/codeql-analysis.yml)
+[![hugegraph-commons ci](https://github.com/apache/incubator-hugegraph-commons/actions/workflows/ci.yml/badge.svg)](https://github.com/apache/incubator-hugegraph-commons/actions/workflows/ci.yml)
+
 
 hugegraph-commons is a common module for [HugeGraph](https://github.com/apache/hugegraph) and its peripheral components.
 hugegraph-commons encapsulates locks, configurations, events, iterators, rest and some 
@@ -13,11 +16,21 @@ numeric or collection util classes to simplify the development of HugeGraph and
 - Lock: atomic lock, key lock, lock group and lock manger
 - Config: register and load config option with security check
 - Event: listening and notification, do something asynchronously
-- Iterator: some iterators with extra functions, map, filter, extend etc.
-- Rest: RESTful client implemented on Jersey, POST, PUT, GET and DELETE
-- Util: performance analyzer, version checker, numeric and Collection utils, log and exception utils etc.
+- Iterator: some iterators with extra functions, map, filter, extend, etc.
+- Rest: RESTful client implemented on OkHttp, POST, PUT, GET and DELETE
+- Util: performance analyzer, version checker, numeric and Collection utils, log and exception utils, etc.
 - Rpc: rpc component for inner module communication, currently it's based on [Sofa-RPC](https://github.com/sofastack/sofa-rpc)
 
+You could use import the dependencies in `maven` like this:
+
+```xml
+  <dependency>
+       <groupId>org.apache.hugegraph</groupId>
+       <artifactId>hugegraph-common</artifactId>
+       <version>1.2.0</version>
+  </dependency>
+```
+
 ## Learn More
 
 The [doc page](https://hugegraph.apache.org/docs/) contains more information about hugegraph modules.
@@ -28,12 +41,26 @@ And here are links of other repositories:
 3. [hugegraph-computer](https://github.com/apache/hugegraph-computer) (graph processing system - OLAP)
 4. [hugegraph-website/doc](https://github.com/apache/hugegraph-doc) (include doc & website code)
 
+
+
 ## Contributing
 
-Welcome to contribute, please see [`How to Contribute`](https://github.com/apache/hugegraph/blob/master/CONTRIBUTING.md) for more information
+- Welcome to contribute to HugeGraph, please see [`How to Contribute`](CONTRIBUTING.md) & [Guidelines](https://hugegraph.apache.org/docs/contribution-guidelines/) for more information.  
+- Note: It's recommended to use [GitHub Desktop](https://desktop.github.com/) to greatly simplify the PR and commit process.  
+- Thank you to all the people who already contributed to HugeGraph!
 
-Note: It's recommended to use [GitHub Desktop](https://desktop.github.com/) to **greatly simplify** the PR and commit process.
+[![contributors graph](https://contrib.rocks/image?repo=apache/hugegraph-commons)](https://github.com/apache/incubator-hugegraph-commons/graphs/contributors)
 
 ## Licence
 
-Same as HugeGraph, hugegraph-commons is also licensed under `Apache 2.0` License.
+Same as HugeGraph, hugegraph-commons are also licensed under [Apache 2.0](./LICENSE) License.
+
+### Contact Us
+
+---
+
+ - [GitHub Issues](https://github.com/apache/incubator-hugegraph-commons/issues): Feedback on usage issues and functional requirements (quick response)
+ - Feedback Email: [dev@hugegraph.apache.org](mailto:dev@hugegraph.apache.org) ([subscriber](https://hugegraph.apache.org/docs/contribution-guidelines/subscribe/) only)
+ - WeChat public account: Apache HugeGraph, welcome to scan this QR code to follow us.
+
+ <img src="https://raw.githubusercontent.com/apache/incubator-hugegraph-doc/master/assets/images/wechat.png" alt="QR png" width="350"/>

hugegraph-common/README.md

@@ -15,9 +15,9 @@ its components.
 - Lock: atomic lock, key lock, lock group and lock manger
 - Config: register and load config option with security check
 - Event: listening and notification, do something asynchronously
-- Iterator: some iterators with extra functions, map, filter, extend etc.
+- Iterator: some iterators with extra functions, map, filter, extend, etc.
 - Rest: RESTful client implemented on Jersey, POST, PUT, GET and DELETE
-- Util: Performance analyzer, version checker, numeric and Collection utils, log and exception utils etc.
+- Util: Performance analyzer, version checker, numeric and Collection utils, log and exception utils, etc.
 
 ## Licence
 The same as HugeGraph, hugegraph-common is also licensed under Apache 2.0 License.

hugegraph-rpc/README.md

@@ -6,11 +6,8 @@ HugeGraph Database RPC component, currently it's based on [Sofa-RPC](https://git
 
 ## Learn More
 
-The [project homepage](https://hugegraph.github.io/hugegraph-doc/) contains more information on HugeGraph and provides links to documentation, getting-started guides and release downloads.
-
-## Contributing
-
-Welcome to contribute to HugeGraph, please see [`How to Contribute`](CONTRIBUTING.md) for more information.
+The [project homepage](https://hugegraph.github.io/hugegraph-doc/) contains more information on 
+HugeGraph and provides links to documentation, getting-started guides and release downloads.
 
 ## License