v0.1.0-b10

Added

• feat(market_provider): Add All Time High field to fetched data
• feat(ui): Add All Time High and % Off ATH columns to price tables with configurable visibility
• feat(market_provider): Add exchange code mapping for SNP, DJI, CBOE, and NIM to NYSE calendar
• feat(ui): Add keyboard navigation (j/k, h/l, arrow keys) to config views and debug view

Changed

• chore(themes): Fix formatting and newline in themes.json

Test

• test(open_mode): Update test to include Yahoo Finance option in open mode
• test(market_provider): Add exchange mapping tests and cache cleanup