Add SVG icons and TypeScript configuration files

- Introduced a new favicon.svg file for the application.
- Added icons.svg containing various SVG symbols for UI components.
- Created tsconfig.app.json for frontend TypeScript configuration with ES2023 target and bundler mode.
- Established tsconfig.json to reference app and node configurations.
- Implemented tsconfig.node.json for Node.js specific TypeScript settings.

.claude/settings.local.json

@@ -0,0 +1,17 @@
+{
+  "permissions": {
+    "allow": [
+      "Bash(npm install *)",
+      "Bash(npm run *)",
+      "Bash(git add *)",
+      "Bash(git commit -m ' *)",
+      "Bash(npm list *)",
+      "WebSearch",
+      "Bash(npx tsc *)",
+      "Bash(git commit *)",
+      "Bash(npx vitest *)",
+      "Bash(node -e ' *)",
+      "Bash(node --input-type=module)"
+    ]
+  }
+}