Dev containers

[Trialskings]

A possible fix to issues with the docker-compose and Dockerfile for dev containers has been implemented on:

Link

1. Added build-essential to Dockerfile:

Fix: Resolves uv sync failures where pre-built wheels are missing for Python 3.13, requiring gcc for source compilation.

2. Added RUN install -d -o $USERNAME -g $USERNAME /home/vscode/.cache/uv to Dockerfile:

Fix: Prevents Docker from creating volume mount points as root, which was causing Permission Denied errors on startup.

3. Added - /app/.venv to docker-compose:

Fix: Prevents Docker from creating volume mount points as root, which was causing Permission Denied errors on startup.