style(format): add .editorconfig

.editorconfig

@@ -0,0 +1,14 @@
+# configuration for https://editorconfig.org
+
+root = true
+
+[*.rs]
+indent_style = space
+indent_size = 4
+
+[args.rs]
+indent_size = unset
+
+[*.yml]
+indent_style = space
+indent_size = 2

.github/workflows/ci.yml

@@ -102,9 +102,15 @@ jobs:
       - name: Cache Cargo dependencies
         uses: Swatinem/rust-cache@v2
 
-      - name: Check formatting
+      - name: Check code formatting
         run: cargo fmt --all -- --check
 
+      - name: Install editorconfig-checker
+        uses: editorconfig-checker/action-editorconfig-checker@main
+
+      - name: Check file formatting
+        run: editorconfig-checker
+
       - name: Check lints
         run: cargo clippy -- -D warnings
 

src/args.rs

@@ -19,9 +19,9 @@ pub const BANNER: &str = r#"
     version,
     author = clap::crate_authors!("\n"),
     about,
-	rename_all_env = "screaming-snake",
-	before_help = BANNER,
-	help_template = "\
+    rename_all_env = "screaming-snake",
+    before_help = BANNER,
+    help_template = "\
 {before-help}-=[ {name} {version} ]=-\n
 {about-with-newline}Written by {author-with-newline}
 {usage-heading}