Localization Expansion, Documentation Improvements, and Statistics Updates

[codebude]

• Reworked pages per day statistics logic
• Fixed backend test cases
• Add i18n translation files for es, fr and zh
• Load new languages into app
• Update readme and docs regarding new languages
• Update the star-history.com integration in readme.md
• Setup integration pages in docs
• Add Home Assistant integration docs
• Added Dashy integration docs
• Added note on integrations to README.md

[github-actions]

🧪 Test Results — bda5641

✅ Backend (pytest) — 708 passed, 0 failed, 0 skipped (708 total)
✅ CLI (pytest) — 54 passed, 0 failed, 0 skipped (54 total)
✅ Frontend (vitest) — 375 passed, 0 failed, 0 skipped (375 total)
✅ E2E (Playwright) — 54 passed, 0 failed, 0 skipped (54 total)

Summary: ✅ All 1191 tests passed

[github-actions]

🧪 Test Results — 4c428c3

✅ Backend (pytest) — 708 passed, 0 failed, 0 skipped (708 total)
✅ CLI (pytest) — 54 passed, 0 failed, 0 skipped (54 total)
✅ Frontend (vitest) — 375 passed, 0 failed, 0 skipped (375 total)
✅ E2E (Playwright) — 54 passed, 0 failed, 0 skipped (54 total)

Summary: ✅ All 1191 tests passed