chore: fix wrong links

chore: added upgrade warning

Merge pull request #8 from not-three/feat/lang-detection

feat: new language detection
feat: support for many new languages / file types
feat: new share overview dialog after saving
feat: download file
ci: optimized build pipeline to be much faster
style: multiple smaller fixes

fix: ci

fix: wrong package manager for wrangler

Merge pull request #7 from not-three/feat/burn-notes

chore: updated ci to use wrangler
fix: updated gh issue url to redirect to all issues, instead of new
fix: burn notes api response missing

Merge pull request #6 from not-three/feat/burn-notes

feature: read once / burn notes

fix: ci ref -> ref_name