chore: Webサイトのメタデータ管理のためのEditorConfigを追加 (#334)

Co-authored-by: autofix-ci[bot] <114827586+autofix-ci[bot]@users.noreply.github.com>

Author: 3w36zj6

.github/workflows/autofix.yml

@@ -0,0 +1,26 @@
+name: autofix.ci
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+  workflow_dispatch:
+jobs:
+  format-metadata:
+    runs-on: ubuntu-24.04
+    defaults:
+      run:
+        working-directory: website/typst-docs-web
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@11bd71901bbe5b1630ceea73d27597364c9af683 # v4.2.2
+        with:
+          submodules: recursive
+      - name: Setup tools
+        uses: jdx/mise-action@13abe502c30c1559a5c37dff303831bab82c9402 # v2.2.3
+      - name: Install dependencies
+        run: bun install --frozen-lockfile
+      - name: Apply Biome checks
+        run: bun biome check --write ../
+      - name: Autofix
+        uses: autofix-ci/action@635ffb0c9798bd160680f18fd73371e355b85f27 # v1.3.2

website/.editorconfig

@@ -0,0 +1,10 @@
+[*]
+charset = utf-8
+end_of_line = lf
+indent_size = 2
+indent_style = tab
+insert_final_newline = true
+trim_trailing_whitespace = true
+
+[*.md]
+max_line_length = 0