fix: add workflow and add cssTarget for vite

.github/ISSUE_TEMPLATE/1-bug-report.md

@@ -0,0 +1,12 @@
+---
+name: 'Bug report 🐞'
+about: "If something isn't working as expected 🤔."
+---
+
+# Bug report 🐞
+
+## Version & Environment
+
+## Expectation
+
+## Actual results (or Errors)

.github/ISSUE_TEMPLATE/2-feature-request.md

@@ -0,0 +1,20 @@
+---
+name: 'Feature request 🚀'
+about: 'I have a suggestion!'
+---
+
+# Feature request 🚀
+
+### Expected:
+
+- No breaking changes
+
+### Examples:
+
+```js
+
+```
+
+### Programme:
+
+### Others:

.github/ISSUE_TEMPLATE/3-style.md

@@ -0,0 +1,6 @@
+---
+name: 'About `styles` 🛠️'
+about: 'Issues and feature requests for styles'
+---
+
+# About `styles` 🛠️

.github/ISSUE_TEMPLATE/4-docs.md

@@ -0,0 +1,6 @@
+---
+name: 'About `docs` 🛠️'
+about: 'Issues and feature requests for docs'
+---
+
+# About `docs`

.github/PULL_REQUEST_TEMPLATE.md

@@ -0,0 +1,10 @@
+## Checklist
+
+---
+
+- [ ] Fix linting errors
+- [ ] Tests have been added / updated (or snapshots)
+
+## Change information
+
+---

.github/workflows/deploy-site-sync-gitee.yaml

@@ -0,0 +1,43 @@
+name: Deploy Site And Sync to Gitee
+
+on:
+  push:
+    branches: [dev, main]
+
+jobs:
+  deploy-site-sync-gitee:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v2
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 6
+
+      - name: Set node version to 14
+        uses: actions/setup-node@v2
+        with:
+          node-version: '14.x'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm bootstrap
+
+      - name: Build site
+        run: cd packages/varlet-vue2-ui && pnpm build
+
+      - name: Deploy site
+        uses: JamesIves/github-pages-deploy-action@4.1.1
+        with:
+          branch: gh-page
+          folder: packages/varlet-vue2-ui/site
+
+      - name: Sync to Gitee
+        uses: wearerequired/git-mirror-action@master
+        env:
+          SSH_PRIVATE_KEY: ${{ secrets.GITEE_RSA_PRIVATE_KEY_FOR_VUE2 }}
+        with:
+          source-repo: git@github.com:varletjs/varlet-vue2.git
+          destination-repo: git@gitee.com:varlet/varlet-ui-vue2.git

packages/varlet-vue2-cli/src/config/vite.config.ts

@@ -66,6 +66,7 @@ export function getBuildConfig(varletConfig: Record<string, any>): InlineConfig
       outDir: SITE_OUTPUT_PATH,
       brotliSize: false,
       emptyOutDir: true,
+      cssTarget: 'chrome61',
       rollupOptions: {
         input: {
           main: resolve(SITE_DIR, 'index.html'),