build(project): update bundle strategy

- Update the build script for generating *.d.ts files
- Update package.json module entry.
- Update CI pipeline node version
- Reorganized main bundle structure
- Update i18n functionalities

.github/workflows/master-deploy.yml

@@ -15,7 +15,7 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v2
         with:
-          node-version: '12'
+          node-version: '16'
 
       - name: Install dependencies
         run: yarn bootstrap

.github/workflows/unit-test.yml

@@ -11,7 +11,8 @@ jobs:
       - name: Setup node
         uses: actions/setup-node@v2
         with:
-          node-version: '12'
+          node-version: '16'
+          cache: 'yarn'
       - name: Install dependencies
         run: yarn bootstrap
       - name: Lint