Add github action for automated submission

.github/workflows/submit.yml

@@ -0,0 +1,18 @@
+name: "submit"
+on:
+  workflow_dispatch:
+
+jobs:
+  submit:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Install dependencies
+        run: npm install
+      - name: Build package
+        run: npm run build
+      - name: Browser Plugin Publish
+        uses: plasmo-corp/bpp@v1
+        with:
+          archive: "web-ext-artifacts/tweak_new_twitter-{version}.zip"
+          keys: ${{ secrets.SUBMIT_KEYS }}

.gitignore

@@ -2,4 +2,5 @@ locales/html/*.html
 locales/js/*.js
 locales/locales.js
 node_modules/
-web-ext-artifacts/
+web-ext-artifacts/
+keys.json