feat(wisekeep): rename transcriber app to wisekeep

Rebranding the transcriber application to better reflect its purpose:
AI-powered wisdom extraction from video content.

Changes:
- Renamed folder: apps/transcriber → apps/wisekeep
- Updated all package names to @wisekeep/* namespace:
  - @wisekeep/backend
  - @wisekeep/web
  - @wisekeep/landing
  - @wisekeep/mobile
  - @wisekeep/shared-types
- Updated root package.json scripts:
  - wisekeep:dev, dev:wisekeep:backend, dev:wisekeep:web, etc.
- Updated documentation in CLAUDE.md files

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps/wisekeep/tsconfig.json

@@ -0,0 +1,16 @@
+{
+  "compilerOptions": {
+    "target": "ES2020",
+    "module": "ESNext",
+    "moduleResolution": "bundler",
+    "strict": true,
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+    "resolveJsonModule": true,
+    "declaration": true,
+    "declarationMap": true,
+    "sourceMap": true
+  },
+  "exclude": ["node_modules", "dist", "build"]
+}