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.

.uv

@@ -0,0 +1,18 @@
+[uv]
+# Keep the uv.lock file up to date
+keep-lockfile = true
+
+# Cache compiled bytecode for dependencies
+compile-bytecode = true
+
+# Use a local cache directory
+local-cache = true
+
+# Verbosity of output
+verbosity = "minimal"
+
+# Define which part of the environment to check
+environment-checks = ["python", "dependencies"]
+
+# How to resolve dependencies not specified with exact versions
+dependency-resolution = "strict"