Feedback Form changes and bug fixes

[snaeem3]

This pull requests closes #151 #86 #127
This pull request fixes #144 typescript error
This pull requests also introduces apiClient.ts mentioned in #148

Changes

• Feedback form errors are more specific
• Backend changes to store data in Postgres
• User receives an error notification if they do not select a feedback type

Note

• This PR does NOT handle image uploads. Users can still use the file upload button, but it will not be sent to the server.
• There is no current way to access the submitted form data other than logging into the Postgres server