Feature/dockerize app for local development

[ullasgowda]

Description

Dockerize app for local development.

• Add Dockerfile to build frontend and backend images
• Add docker-compose file to manage services
• update readme.md with instructions to setup app for local development using docker

Related Issues

If this pull request is related to any issue(s), please list them here.

#912
#911
#902

Steps to Test

Provide steps on how to test the changes introduced in this pull request.

Run docker-compose up -d from root of the project

Screenshots (if applicable)

If your changes include visual updates, it would be helpful to provide screenshots of the before and after.

Checklist

• I have tested these changes
• I have updated the relevant documentation
• [] I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the codebase
• My changes generate no new warnings or errors
• The title of my pull request is clear and descriptive