feat(sign-up): add sign up screen & form

[Stukz]

What does this do?

This PR includes sign up flow

• Sign Up screen
• sign up form
• inteceptors to keep session alive

[github-actions]

💯 Test Coverage

Lines	Statements	Branches	Functions
	50.79% (287/565)	45.85% (105/229)	36.63% (74/202)

😎 Tests Results

Tests	Skipped	Failures	Errors	Time
69	0 💤	0 ❌	0 🔥	31.549s ⏱️

👀 Tests Details • (51%)

File	% Stmts	% Branch	% Funcs	% Lines	Uncovered Line #s
All files	50.79	45.85	36.63	51.2
api/auth	0	100	0	0
use-login.ts	0	100	0	0	19–31
use-sign-up.ts	0	100	0	0	29–42
api/common	78.87	55.17	62.5	80.88
interceptors.ts	78.78	77.77	100	78.78	28–34, 52
app	0	0	0	0
_layout.tsx	0	0	0	0	20–75
sign-in.tsx	0	100	0	0	11–23
sign-up.tsx	0	100	0	0	11–24
components	47.05	66.66	42.85	47.05
login-form.tsx	100	100	50	100
sign-up-form.tsx	0	0	0	0	9–50
core/auth	40	0	10	50
utils.tsx	57.14	100	0	100