feat: Add basic project structure and configuration

- Add `.env.template` file for environment variable configuration.
- Add `.gitignore` file to ignore generated files and IDE artifacts.
- Add `Cargo.toml` file specifying project dependencies.
- Add basic project documentation in `README.md` and configuration
  guide in `docs/configuration.md`.
- Add Gitea authentication guide in `docs/gitea-auth.md`.
- Add installation guide in `docs/installation.md`.
- Add MVC architecture guide in `docs/mvc.md`.
- Add views guide in `docs/views.md`.

.env.template

@@ -0,0 +1,29 @@
+# Server Configuration
+APP__SERVER__HOST=127.0.0.1
+APP__SERVER__PORT=9999
+APP__SERVER__WORKERS=4
+
+# Templates Configuration
+APP__TEMPLATES__DIR=./src/views
+
+# Authentication
+JWT_SECRET=your_jwt_secret_key
+JWT_EXPIRATION_HOURS=24
+SECRET_KEY=your_secret_key_for_session_cookies_at_least_32_bytes_long
+
+# OAuth Configuration - Gitea
+GITEA_CLIENT_ID=your_client_id
+GITEA_CLIENT_SECRET=your_client_secret
+GITEA_INSTANCE_URL=https://your-gitea-instance.com
+APP_URL=http://localhost:9999
+
+# Database Configuration
+APP__DATABASE__URL=postgres://user:password@localhost/hostbasket
+APP__DATABASE__POOL_SIZE=5
+
+# Logging
+RUST_LOG=info
+
+# Application Environment
+APP_ENV=development
+APP_CONFIG=config/local.toml