Normalize line endings to LF across entire repository

Apply .gitattributes normalization to convert all CRLF line
endings inherited from Windows-origin source files to Unix LF.
175 files, zero content changes.

site/Caddyfile

@@ -1,11 +1,11 @@
-:80 {
-	root * /srv
-	encode gzip
-
-	handle /health {
-		respond "ok" 200
-	}
-
-	try_files {path} {path}/index.html {path}/ /index.html
-	file_server
-}
+:80 {
+	root * /srv
+	encode gzip
+
+	handle /health {
+		respond "ok" 200
+	}
+
+	try_files {path} {path}/index.html {path}/ /index.html
+	file_server
+}