Add initial project structure and documentation files

- Created .gitignore to exclude sensitive files and directories.
- Added API documentation in API_DOCUMENTATION.md.
- Included deployment instructions in DEPLOYMENT.md.
- Established project structure documentation in PROJECT_STRUCTURE.md.
- Updated README.md with project status and team information.
- Added recommendations and status tracking documents.
- Introduced testing guidelines in TESTING.md.
- Set up CI workflow in .github/workflows/ci.yml.
- Created Dockerfile for backend and frontend setups.
- Added various service and utility files for backend functionality.
- Implemented frontend components and pages for user interface.
- Included mobile app structure and services.
- Established scripts for deployment across multiple chains.

mobile/src/navigation/StackNavigator.tsx

@@ -0,0 +1,52 @@
+import React from 'react';
+import { createStackNavigator } from '@react-navigation/stack';
+import { TabNavigator } from './TabNavigator';
+import { WalletConnectScreen } from '../screens/WalletConnect';
+import { PoolDetailsScreen } from '../screens/PoolDetails';
+import { VaultDetailsScreen } from '../screens/VaultDetails';
+import { ProposalDetailsScreen } from '../screens/ProposalDetails';
+
+const Stack = createStackNavigator();
+
+export function StackNavigator() {
+  return (
+    <Stack.Navigator
+      screenOptions={{
+        headerStyle: {
+          backgroundColor: '#3b82f6',
+        },
+        headerTintColor: '#ffffff',
+        headerTitleStyle: {
+          fontWeight: 'bold',
+        },
+      }}
+    >
+      <Stack.Screen
+        name="WalletConnect"
+        component={WalletConnectScreen}
+        options={{ headerShown: false }}
+      />
+      <Stack.Screen
+        name="Main"
+        component={TabNavigator}
+        options={{ headerShown: false }}
+      />
+      <Stack.Screen
+        name="PoolDetails"
+        component={PoolDetailsScreen}
+        options={{ title: 'Pool Details' }}
+      />
+      <Stack.Screen
+        name="VaultDetails"
+        component={VaultDetailsScreen}
+        options={{ title: 'Vault Details' }}
+      />
+      <Stack.Screen
+        name="ProposalDetails"
+        component={ProposalDetailsScreen}
+        options={{ title: 'Proposal Details' }}
+      />
+    </Stack.Navigator>
+  );
+}
+