Publish example site (via Netlify) (#11)

* modify test CI
* add test ci badge back
* use newest hugo version for test ci
* add netlify.toml
* add netlify badge

.github/workflows/build-site-ghpages.yml

@@ -1,33 +0,0 @@
-name: Build for Github Pages
-
-on:
-  push:
-    branches:
-      - master  # Set a branch to deploy
-
-jobs:
-  deploy:
-    runs-on: ubuntu-latest
-    defaults:
-      run:
-        working-directory: ./exampleSite
-    steps:
-      - uses: actions/checkout@v2
-        with:
-          submodules: true  # Fetch Hugo themes (true OR recursive)
-          fetch-depth: 0    # Fetch all history for .GitInfo and .Lastmod
-
-      - name: Setup Hugo
-        uses: peaceiris/actions-hugo@v2
-        with:
-          hugo-version: '0.83.1'
-          extended: true
-
-      - name: Build
-        run: hugo --minify
-
-      - name: Deploy
-        uses: peaceiris/actions-gh-pages@v3
-        with:
-          github_token: ${{ secrets.GH_TOKEN }}
-          publish_dir: ./exampleSite/public

.github/workflows/test-build.yml

@@ -1,6 +1,6 @@
 name: Test Build 
 
-on: [pull_request]
+on: push
 
 jobs:
   deploy:
@@ -17,8 +17,8 @@ jobs:
       - name: Setup Hugo
         uses: peaceiris/actions-hugo@v2
         with:
-          hugo-version: '0.83.1'
+          hugo-version: 'latest'
           extended: true
 
       - name: Build
-        run: hugo --minify
+        run: hugo --gc --minify