lint: init editorconfig

.editorconfig

@@ -0,0 +1,21 @@
+root = true
+
+[*]
+charset = utf-8
+end_of_line = lf
+trim_trailing_whitespace = true
+insert_final_newline = true
+
+[*.{yml,yaml}]
+indent_style = space
+indent_size = 2
+
+[*.{md,txt}]
+indent_style = space
+trim_trailing_whitespace = false
+
+[Makefile]
+indent_style = tab
+
+[CNAME]
+insert_final_newline = false

.github/workflows/lint.yml

@@ -0,0 +1,16 @@
+name: Lint
+on:
+  push:
+  pull_request:
+    types: [opened, synchronize, reopened]
+permissions:
+  contents: read
+
+jobs:
+  editorconfig:
+    name: Editorconfig
+    runs-on: ubuntu-20.04
+    steps:
+      - uses: actions/checkout@v4
+      - uses: editorconfig-checker/action-editorconfig-checker@v2
+      - run: editorconfig-checker