chore: remove Alembic migration files (#90)

* chore: remove Alembic migration files and related configurations

- Deleted Alembic migration files and configuration to streamline the project and eliminate unused components.
- Updated documentation to reflect the removal of distributed operations coordination from Redis.
- Removed references to Alembic in the requirements and project structure, simplifying the database management approach.

* chore: change default API_WORKERS to 1

Author: atyrode

.env.template

@@ -5,7 +5,7 @@ CODER_PORT=7080
 APP_PORT=8000
 
 # API Configuration
-API_WORKERS=4
+API_WORKERS=1
 FRONTEND_URL=your_frontend_url
 
 # Database Configuration

docs/context.md

@@ -64,7 +64,6 @@ The system follows a microservices architecture with the following components:
 3. **Redis**
    - Manages user sessions
    - Provides caching for performance
-   - Coordinates distributed operations (like migrations)
 
 4. **Keycloak**
    - Provides OIDC authentication