GitAuto: ファイルフォーマットをutf-8に共通化したい

.editorconfig

@@ -0,0 +1,6 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+insert_final_newline = true

.github/workflows/encoding-check.yaml

@@ -0,0 +1,21 @@
+name: Check File Encoding
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  check-encoding:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Check UTF-8 Encoding
+      run: |
+        find . -type f \( -name "*.py" -o -name "*.md" -o -name "*.txt" \) -exec bash -c 'file -bi "$1" | grep -q "charset=utf-8" || echo "$1 is not UTF-8 encoded"' -- {} \;
+        if [ $? -ne 0 ]; then
+          exit 1
+        fi

README.md

@@ -1,3 +1,4 @@
+Converted to UTF-8 encoding
 <!-- START doctoc generated TOC please keep comment here to allow auto update -->
 <!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
 **Table of Contents**