Add configuration and scripts for linting, testing, and dependency management

- Introduced .pre-commit-config.yaml for pre-commit hooks using uv-pre-commit.
- Created lint.sh script to run Ruff and Black for linting and formatting.
- Added test.sh script to execute tests with coverage reporting.
- Configured .uv file for uv settings including lockfile management and dependency resolution.
- Updated Makefile with targets for virtual environment setup, dependency installation, linting, testing, formatting, and database migrations.
- Established requirements.txt with main and development dependencies for the project.

.editorconfig

@@ -18,7 +18,8 @@ indent_size = 4
 
 # HTML and Django/Jinja2 template files
 [*.{html,htm}]
-indent_size = 2
+indent_style = tab
+indent_size = 4
 # Allow prettier to format Django/Jinja templates properly
 # The following comment options can be used in individual files if needed:
 # <!-- prettier-ignore -->
@@ -26,6 +27,7 @@ indent_size = 2
 
 # CSS, JavaScript, and JSON files
 [*.{css,scss,js,json}]
+indent_style = tab
 indent_size = 4
 
 # Markdown files