feat: Add hints - only support manually imported mode due to CORS restriction.

Author: jjaychen1e

Diff for: README.md

@@ -11,6 +11,8 @@
 - Navigate to the plugins dashboard: `t` `p`
 - Click the Load unpacked plugin button, then select the sample directory to load it
 
+> Note: You can't use the plugin downloaded from marketplace due to CORS restriction. Please load it manually.
+
 ## How to use it?
 
 Currently, we only support [PicGo](https://github.com/Molunerfinn/PicGo), so please open PicGo manually.

Diff for: package.json

@@ -1,6 +1,6 @@
 {
   "name": "logseq-plugin-image-uploader",
-  "version": "0.0.2",
+  "version": "0.0.3",
   "main": "dist/index.html",
   "scripts": {
     "dev": "vite",
@@ -9,11 +9,13 @@
   "dependencies": {
     "@logseq/libs": "^0.0.1-alpha.33",
     "react": "^17.0.2",
-    "react-dom": "^17.0.2"
+    "react-dom": "^17.0.2",
+    "semver": "^7.3.5"
   },
   "devDependencies": {
     "@types/react": "^17.0.33",
     "@types/react-dom": "^17.0.10",
+    "@types/semver": "^7.3.9",
     "@vitejs/plugin-react": "1.1.3",
     "typescript": "4.5.4",
     "vite": "2.7.10"

Diff for: src/main.tsx

@@ -1,10 +1,12 @@
 import "@logseq/libs";
 import { BlockEntity, PageEntity } from '@logseq/libs/dist/LSPlugin';
+import { gt } from "semver"
+
+const currentVersion = "0.0.3";
 
 async function uploadImage(url: string): Promise<string> {
-  return url = await fetch("http://localhost:36677/upload", {
+  return await fetch("http://localhost:36677/upload", {
     method: "POST",
-    mode: "no-cors",
     body: JSON.stringify({ list: [url]})
   })
   .then(res => res.json())
@@ -17,7 +19,7 @@ async function uploadImage(url: string): Promise<string> {
   })
   .catch ((error) => {
     console.error('Error:', error);
-    logseq.App.showMsg("Please start PicGo or check its' status!", "error");
+    logseq.App.showMsg("Please check if PicGo is running. And this plugin can only be run in manually loaded mode due to CORS restriction, please download it from GitHub release page.", "error");
   })
 }
 
@@ -79,7 +81,20 @@ async function recordUploadedImageFile(filePath: string) {
   }
 }
 
+async function checkUpdates() {
+  const res = await fetch("https://api.github.com/repos/logseq/logseq-plugin-image-uploader/releases/latest")
+  .then(res => res.json())
+  .then(resJSON => {
+    const latestVersion = resJSON["tag_name"].replace("v", "");
+    if (gt(latestVersion, currentVersion)) {
+      logseq.App.showMsg(`New version ${latestVersion} is available.`, "info");
+    }
+  })
+}
+
 async function main() {
+  checkUpdates();
+  
   const graphInfo = await logseq.App.getCurrentGraph();
   const graphPath = graphInfo?.path;
   if (!graphPath) {