feat(docs): add comprehensive design system and AI password manager architecture

- Add complete Figma design system with color, typography, and component specifications
- Create detailed UI/UX design architecture for React Native implementation
- Include AI-specific design elements with gradients, animations, and visual language
- Add implementation guides for developers and step-by-step Figma instructions
- Configure MCP server integration for Figma design workflow
- Create SplashScreen component with AI gradient background and loading animations

package-lock.json

@@ -18,6 +18,7 @@
         "expo-font": "~13.3.2",
         "expo-haptics": "~14.1.4",
         "expo-image": "~2.4.0",
+        "expo-linear-gradient": "~14.1.5",
         "expo-linking": "~7.1.7",
         "expo-router": "~5.1.4",
         "expo-splash-screen": "~0.30.10",
@@ -6213,6 +6214,17 @@
         "react": "*"
       }
     },
+    "node_modules/expo-linear-gradient": {
+      "version": "14.1.5",
+      "resolved": "https://mirrors.tencent.com/npm/expo-linear-gradient/-/expo-linear-gradient-14.1.5.tgz",
+      "integrity": "sha512-BSN3MkSGLZoHMduEnAgfhoj3xqcDWaoICgIr4cIYEx1GcHfKMhzA/O4mpZJ/WC27BP1rnAqoKfbclk1eA70ndQ==",
+      "license": "MIT",
+      "peerDependencies": {
+        "expo": "*",
+        "react": "*",
+        "react-native": "*"
+      }
+    },
     "node_modules/expo-linking": {
       "version": "7.1.7",
       "resolved": "https://mirrors.tencent.com/npm/expo-linking/-/expo-linking-7.1.7.tgz",