Update and rename main.yml to build.yml

Author: HsiangNianian

.github/workflows/main.yml renamed to .github/workflows/build.yml

@@ -20,6 +20,8 @@ jobs:
 
       - name: Install dependencies
         run: yarn install # --frozen-lockfile
+      - name: Install Plugins
+        run: npm install --save @docusaurus/theme-live-codeblock
       - name: Build website
         run: yarn build