Add memory-viewer from silicondawn

- Web UI for browsing and editing OpenClaw memory files
- Cloned from https://github.com/silicondawn/memory-viewer
- Built and running on port 8901
- Features: file tree, markdown rendering, search, live reload
- Full access to MEMORY.md, daily notes, skills, automations

memory-viewer/tsconfig.server.json

@@ -0,0 +1,19 @@
+{
+  "compilerOptions": {
+    "target": "ES2023",
+    "lib": ["ES2023"],
+    "module": "NodeNext",
+    "moduleResolution": "NodeNext",
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "strict": true,
+    "noEmitOnError": false,
+    "outDir": "./server-dist",
+    "rootDir": "./server",
+    "declaration": false,
+    "sourceMap": false,
+    "resolveJsonModule": true
+  },
+  "include": ["server/**/*"],
+  "exclude": ["node_modules", "dist", "server-dist"]
+}