docs: Add documentation for Git module tests

- Added documentation for the Git module's test scripts, including
  test structure, running instructions, and details of each test.
- Added links to Git module tests in the main Rhai documentation.
- Improved overall structure and clarity of the Rhai documentation.

docs/rhai/index.md

@@ -31,6 +31,8 @@ herodo --path path/to/script.rhai
 SAL includes test scripts for verifying the functionality of its Rhai integration. These tests are located in the `src/rhai_tests` directory and are organized by module.
 
 - [OS Module Tests](os_module_tests.md): Tests for file system, download, and package management operations
+- [Git Module Tests](git_module_tests.md): Tests for Git repository management and operations
+- [Running Tests](running_tests.md): Instructions for running all Rhai tests
 
 ## Examples
 
@@ -54,15 +56,15 @@ mkdir(test_dir);
 
 if exist(test_dir) {
     print(`Directory ${test_dir} created successfully`);
-    
+
     // Create a file
     let test_file = test_dir + "/test.txt";
     file_write(test_file, "Hello, world!");
-    
+
     // Read the file
     let content = file_read(test_file);
     print(`File content: ${content}`);
-    
+
     // Clean up
     delete(test_dir);
 }