copy gitattributes from VE repo

.gitattributes

@@ -1,4 +1,38 @@
-# Enforce LF for shell-related files only
-*.sh   text eol=lf
-*.func text eol=lf
-*.md   text eol=lf
+# ---------------------------------------
+# Treat Shell files as first-class code
+# ---------------------------------------
+*.sh linguist-detectable=true
+*.bash linguist-language=Shell
+*.func linguist-language=Shell
+*.install linguist-language=Shell
+
+# ---------------------------------------
+# Treat Golang files as Go (for /api/)
+api/**/*.go linguist-language=Go
+
+# ---------------------------------------
+# Treat frontend as JavaScript/TypeScript (optional)
+frontend/**/*.ts linguist-language=TypeScript
+frontend/**/*.js linguist-language=JavaScript
+
+# ---------------------------------------
+# Exclude documentation from stats
+*.md linguist-documentation
+docs/** linguist-documentation
+README.md linguist-documentation
+CONTRIBUTING.md linguist-documentation
+SECURITY.md linguist-documentation
+
+# ---------------------------------------
+# Exclude generated/config files
+*.json linguist-generated
+frontend/public/json/*.json linguist-generated=false
+*.lock linguist-generated
+*.yml linguist-generated
+*.yaml linguist-generated
+.github/** linguist-generated
+.vscode/** linguist-generated
+
+# ---------------------------------------
+# Standard text handling
+* text=auto eol=lf