feat(widget): add interactive notes widget

[loloakira]

Description

This PR adds a new home-screen widget called Interactive notes — a third
widget alongside the existing single-note and note-list widgets, which are
left unchanged.

What it does

• Shows notes as a scrollable single column of rounded cards.
• Each card shows the note title and a multi-line content excerpt (the whole
  note when it is short).
• Tapping a card opens that specific note; a floating "+" button in the
  bottom-right creates a new note in the widget's configured category/account.
• The favourite star is shown as a non-clickable indicator.
• Per-widget configuration adds sort options: a "favourites on top" toggle and
  a newest-first / oldest-first order.
• Reconfigurable via long-press on Android 12+, with a live previewLayout in
  the widget picker.

Implementation notes

• Reuses the existing NotesListWidgetData storage and excerpt generation —
  no database migration.
• Sort options are stored in per-widget SharedPreferences; notes are sorted
  in memory.
• New source strings were added to values/strings.xml only (translations are
  handled by Transifex).
• The two existing widgets and the shared data layer are untouched.

Tested

• ./gradlew assembleDevDebug and ./gradlew lintDevDebug pass.
• Manually verified on a device (Android 14): open note, create note, sort
  options, reconfiguration, light/dark mode.

🖼️Screenshots

🏚 Before	🏡 After
No equivalent widget

🏁 Checklist

• 🧪 Tests written, or not not needed (no unit tests exist for widgets; verified manually + lint)

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Developed with AI assistance (Claude Code 2.1.162, Claude Opus 4.8).

[codacy-production]

Up to standards ✅

🟢 Issues 0 issues

Results:
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