feat: Dockerize amdb and publish to GHCR/DockerHub

[BETAER-08]

Problem

Users currently need to install Rust/Cargo to build and use amdb.
This limits usage in CI/CD environments (GitHub Actions, Jenkins) and non-Rust setups.

Proposed Solution

• Create a optimized Dockerfile (multi-stage build).
• Update GitHub Actions (release.yml or new docker.yml) to build and push the image to GitHub Container Registry (GHCR) on release.
• Ensure the image works by mounting a volume (-v $(pwd):/app).

Definition of Done

• Dockerfile created and works locally.
• GitHub Workflow pushes image to ghcr.io/OWNER/amdb:latest on release.
• Documentation added on how to run via Docker.

[BETAER-08]

Feature: Dockerization and GHCR CI/CD Integration

Changes:

• Created an optimized, multi-stage Dockerfile based on debian:bookworm-slim to minimize the final image footprint while ensuring all required dynamically linked libraries (like glibc and ca-certificates) are present.
• Added .github/workflows/docker.yml to automatically build and push the image to the GitHub Container Registry (ghcr.io) whenever a new release is published.
• Updated documentation to instruct users on how to run amdb using docker run --rm -v $(pwd):/app, eliminating the dependency on a local Rust/Cargo installation.

Verification:
Verified that the image builds successfully locally. Volume mounting works flawlessly, allowing amdb to read host files, generate the .database, and output context files smoothly inside the Docker container. 656c9e0