Improved perplexity colorization implementation

Merge pull request #85 from jukofyork/fix-zero-probabilities-in-hover

Removed any zero probability tokens from hover pop-up

Merge pull request #86 from jukofyork/ereader-theme

Added "eReader" theme with improved contrast for e-ink screens

Fix some prompt formats

#81

Merge pull request #82 from phuvo/api-type

Use constants for API types

Merge pull request #77 from neCo2/search-and-replace

Feature/Search and Replace

Fix consecutive fills

Change default context length to 8192

Merge pull request #79 from neCo2/refactor/svg-components

Refactor/SVG Components

Merge pull request #74 from neCo2/collapsible-state

store collapsible expand state to sessionstorage