Update GitHub repository URLs across components and tests

- Replaced all occurrences of the previous repository URL (`your-org/fast-next-template`) with the updated repository URL (`cardosofelipe/pragma-stack.git`) in both frontend components and test files.
- Adjusted related test assertions and documentation links accordingly.

frontend/tests/components/home/Header.test.tsx

@@ -102,7 +102,7 @@ describe('Header', () => {
 
       expect(desktopGithubLink).toHaveAttribute(
         'href',
-        'https://github.com/your-org/fast-next-template'
+        'https://github.com/cardosofelipe/pragma-stack.git'
       );
       expect(desktopGithubLink).toHaveAttribute('target', '_blank');
       expect(desktopGithubLink).toHaveAttribute('rel', 'noopener noreferrer');