API Golang Rewrite | Backend QA

[asmahood]

Please describe the feature

QA test all of the new/existing backend routes using a HTTP client tool such as Insomnia or Postman. Ensure all routes are working correctly. If any issues do occur, add them to the checklist here so they can be worked on and tracked.

Checklist

• [x] #168
• [x] #169
• [x] #170
• [x] #171
• [x] #172
• [x] #173
• [x] #174
• [x] #175
• [x] #177