New features & bug fixes

Renamed extension to JSON Viewer Plus
Lots of bug fixes
Optimized SVG + fix search icon
Bump all dependencies
Bump webpack 1 to 5 with complete rewrite
Fix openLinksInNewWindow no longer works in new Chromium
Keep Chrome manifest V2

Merged interresting pull requests:

• setTimeout doesn't work, use another timeout function
• Ensure URL is properly escaped
• Ignore header while setting line numbers
• Added new themes
• ...Read more from git history...