Feature Branch Dump: Bare Bones Authentication

[EthanCloin]

• Add Income page; Add currencyValidations script;
• begin transitioning to use debt_recovery strategy
• working recovery plan logic
• Endpoint and models for recovery_plan
• Bugfix typing
• Working 'ethantest' route with template response hitting tinydb
• Include htmx minified in static
• add model and route for register (incomplete)
• register endpoint looksup by username
• login and register to add session to cookie jar
• working login page
• working register page and links between both
• Add profile page with exposed secrets; Add redirect from '/' to login; Add 2 day expiration to cookie
• use pydantic models for user and session