shellcheck lint (#13)

Author: aceforeverd

.github/workflows/ci.yml

@@ -6,7 +6,10 @@ name: CI
 # events but only for the master branch
 on:
   push:
-    branches: [ master ]
+    branches: 
+      - master
+    tags:
+      - v*
   pull_request:
     branches: [ master ]
 
@@ -23,6 +26,15 @@ jobs:
           github_token: ${{ secrets.github_token }}
           level: info
           reporter: github-pr-review
+      
+      - name: shellcheck
+        uses: reviewdog/action-shellcheck@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          reporter: github-pr-review 
+          path: "."
+          pattern: "*.sh"
+          exclude: "./.git/*"
 
   test:
     runs-on: ${{ matrix.os }}