Markdown Linterの設定を追加し、super-linterの環境変数設定を修正

Author: Hiroshiba

.github/labeler.yml

@@ -1,6 +1,6 @@
-'OS：mac':
+"OS：mac":
     - '\[x\] macOS'
-'OS：linux':
+"OS：linux":
     - '\[x\] Linux'
-'OS：win':
+"OS：win":
     - '\[x\] Windows'

.github/linters/markdown-lint.yml

@@ -0,0 +1,39 @@
+---
+###########################
+###########################
+## Markdown Linter rules ##
+###########################
+###########################
+
+# Linter rules doc:
+# - https://github.com/DavidAnson/markdownlint
+#
+# Note:
+# To comment out a single error:
+#   <!-- markdownlint-disable -->
+#   any violations you want
+#   <!-- markdownlint-restore -->
+#
+
+###############
+# Rules by id #
+###############
+MD004: false # Unordered list style
+MD007:
+  indent: 2 # Unordered list indentation
+MD013:
+  line_length: 400 # Line length 80 is far too short
+MD026:
+  punctuation: ".,;:!。，；:" # List of not allowed
+MD029: false # Ordered list item prefix
+MD033: false # Allow inline HTML
+MD036: false # Emphasis used instead of a heading
+
+#################
+# Rules by tags #
+#################
+blank_lines: false # Error on blank lines
+
+# VOICEVOX
+# issueやプルリクエストのテンプレート用
+MD041: false # first-line-h1

.github/workflows/super-linter.yml

@@ -27,7 +27,7 @@ jobs:
 
       - name: Setup Environment Variables
         if: ${{ inputs.env_vars }}
-        run: for line in "${{ inputs.env_vars }}"; do echo "$line" >> $GITHUB_ENV; done
+        run: for line in "${{ inputs.env_vars }}"; do echo "$line" >> "$GITHUB_ENV"; done
 
       - name: Lint Code Base
         uses: super-linter/super-linter/slim@v7