feat: add inline chart support for notes

- Add NoteChart component using Recharts (bar, line, area, pie, radar, funnel, gauge)
- Add generate_chart and insert_chart_in_note AI tools
- Add chart code block support in MarkdownContent (```chart ... ```)
- Support JSON and simple data formats (label: value)
- Add i18n translations for chart features

Chart syntax examples:
- JSON: ```chart {"type":"bar","data":[{"label":"A","value":10}]} ```
- Simple: ```chart\nbar\nSales Data\nJan: 120\nFeb: 150\n```

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>

memento-note/locales/en.json

@@ -635,6 +635,27 @@
     "generationTools": "Generation tools",
     "generateSlidesLoading": "⏳ Generating presentation...",
     "generateDiagramLoading": "⏳ Generating diagram...",
+    "generateChartLoading": "⏳ Generating chart...",
+    "chart": {
+      "title": "Chart",
+      "generate": "Generate chart",
+      "generateDesc": "Create a visualization from data",
+      "type": "Chart type",
+      "typeBar": "Bar",
+      "typeBarH": "Horizontal Bar",
+      "typeLine": "Line",
+      "typeArea": "Area",
+      "typePie": "Pie",
+      "typeRadar": "Radar",
+      "typeFunnel": "Funnel",
+      "typeGauge": "Gauge",
+      "autoDetect": "Auto detect",
+      "insertInNote": "Insert in note",
+      "chartReady": "Chart ready!",
+      "insertedMessage": "Chart inserted in note",
+      "noDataError": "No data found to create chart",
+      "invalidFormat": "Invalid data format"
+    },
     "errorShort": "Error",
     "readyToast": "Ready!",
     "downloadFailedToast": "Download failed",