Normalize line endings and remove rpm from Linux build targets

- Normalize line endings across all files
- Remove rpm target from Linux build (requires rpmbuild)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

test-file-open.md

@@ -1,14 +1,14 @@
-# Test File Opening
-
-This is a test file to verify that double-click file opening works correctly.
-
-## Features
-- **Bold text**
-- *Italic text*
-- `Code`
-
-```javascript
-console.log("Hello World");
-```
-
-This should appear when you double-click to open the file!
+# Test File Opening
+
+This is a test file to verify that double-click file opening works correctly.
+
+## Features
+- **Bold text**
+- *Italic text*
+- `Code`
+
+```javascript
+console.log("Hello World");
+```
+
+This should appear when you double-click to open the file!