added CI on documentation

.github/workflows/reviewdoc.yml

@@ -0,0 +1,26 @@
+name: reviewdog for documents
+on: [pull_request]
+jobs:
+  misspell:
+    name: runner / misspell
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: misspell
+        uses: reviewdog/action-misspell@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          locale: "US"
+          level: info
+  languagetool:
+    name: runner / langaugetool
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: misspell
+        uses: reviewdog/action-languagetool@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          # Change reviewdog reporter if you need [github-pr-check,github-check,github-pr-review].
+          reporter: github-pr-review
+          level: info