S61: Reorganizing files to optimize docker caching layers

[shahdyousefak]

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Required Information

• I referenced the issue addressed in this PR.
• I described the changes made and how these address the issue. --> reorganized the structure of the Dockerfiles by moving the frequently changing files towards the end of the Dockerfiles while placing the least frequently changing files at the beginning.; aligns with Docker's layer-based caching mechanism to enhance build efficiency and minimize unnecessary rebuilds of unchanged components.
• I described how I tested these changes. --> built the Docker images with the reorganized Dockerfiles; had little improvement to the time taken.

Coding/Commit Requirements

• I followed applicable coding standards where appropriate (e.g., PEP8)
• I have not committed any models or other large files.

New Component Checklist (mandatory for new microservices)

• I added an entry to docker-compose.yml and build.yml.
• I created A CI workflow under .github/workflows.
• I have created a README.md file that describes what the component does and what it depends on (other microservices, ML models, etc.).

OR

• I have not added a new component in this PR.