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-export.md

@@ -1,26 +1,26 @@
-# Test Document
-
-This is a test markdown document for export testing.
-
-## Features
-
-- **Bold text**
-- *Italic text*
-- [Links](https://example.com)
-
-## Code Example
-
-```javascript
-function hello() {
-    console.log("Hello World!");
-}
-```
-
-## Table
-
-| Column 1 | Column 2 | Column 3 |
-|----------|----------|----------|
-| Value 1  | Value 2  | Value 3  |
-| Value 4  | Value 5  | Value 6  |
-
+# Test Document
+
+This is a test markdown document for export testing.
+
+## Features
+
+- **Bold text**
+- *Italic text*
+- [Links](https://example.com)
+
+## Code Example
+
+```javascript
+function hello() {
+    console.log("Hello World!");
+}
+```
+
+## Table
+
+| Column 1 | Column 2 | Column 3 |
+|----------|----------|----------|
+| Value 1  | Value 2  | Value 3  |
+| Value 4  | Value 5  | Value 6  |
+
 This is a test document to verify export functionality.