feat: Basic auth for projects

[HideBa]

related: reearth/reearth-backend#6

What I made change

• Created the section to set the basic authorization settings
• Implemented the mutation and hooks
• Added the new section component

What I especially want to get reviewed

• If the mutation is OK
• Any part which can be generalized

How I tested

• Executed the mutation and the expected value returned and displayed

Screenshot

[codecov-commenter]

Codecov Report

Merging #3 (00af1fa) into main (0edf587) will decrease coverage by 0.00%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main       #3      +/-   ##
==========================================
- Coverage   52.60%   52.59%   -0.01%     
==========================================
  Files          44       44              
  Lines         633      635       +2     
  Branches      122      122              
==========================================
+ Hits          333      334       +1     
- Misses        225      226       +1     
  Partials       75       75              

Impacted Files	Coverage Δ
src/gql/graphql-client-api.tsx	52.65% <ø> (-0.03%)	⬇️