Adds first/last name to registration and refines password rules

Introduces separate fields for first and last name in registration, enhancing user data granularity. Updates password validation messages to specify requirements and aligns logic to use the improved feedback. Hides social login sections on login and register screens.

Adds first/last name to registration, updates password rules

Introduces separate first and last name fields for more precise user data during registration. Refines password validation messages to clarify requirements and improves validation feedback. Hides social login options on login and registration screens for a more focused flow.