Code execution + code template

Fix lint error and minor collab page bugs

Shift code into src

…o feature/coding-sandbox

# Conflicts:
#	backend/collab-service/package-lock.json
#	backend/collab-service/package.json
#	backend/collab-service/server.ts
#	frontend/src/pages/CollabSandbox/index.tsx

-create qnhistory record on match accepted
-add qnhistory table to profile

Add tests for websocket events

…o bugfix/general

Add chat notification

Fix ci

Add build script

…o bugfix/general

Comment out build step

…425s1-project-g28 into readme

Add acknowledgement

Fix user authentication for socket connections

Update tsconfig and package.json

Fix frontend test

Modify README