feat: Implement Food Camera Screen and Floating Food Overlay

- Added FoodCameraScreen for capturing food images with camera functionality.
- Integrated image picker for selecting images from the gallery.
- Created FloatingFoodOverlay for quick access to food library and scanning options.
- Updated NutritionRadarCard to utilize FloatingFoodOverlay for adding food.
- Enhanced ExploreScreen layout and styles for better user experience.
- Removed unused SafeAreaView from ExploreScreen.
- Updated profile edit screen to remove unnecessary state variables.
- Updated avatar image source in profile edit screen.
- Added ExpoCamera dependency for camera functionalities.

ios/Podfile.lock

@@ -46,6 +46,10 @@ PODS:
     - ExpoModulesCore
   - ExpoBlur (14.1.5):
     - ExpoModulesCore
+  - ExpoCamera (16.1.11):
+    - ExpoModulesCore
+    - ZXingObjC/OneD
+    - ZXingObjC/PDF417
   - ExpoFileSystem (18.1.11):
     - ExpoModulesCore
   - ExpoFont (13.3.2):
@@ -1985,6 +1989,11 @@ PODS:
   - SocketRocket (0.7.1)
   - UMAppLoader (5.1.3)
   - Yoga (0.0.0)
+  - ZXingObjC/Core (3.6.9)
+  - ZXingObjC/OneD (3.6.9):
+    - ZXingObjC/Core
+  - ZXingObjC/PDF417 (3.6.9):
+    - ZXingObjC/Core
 
 DEPENDENCIES:
   - boost (from `../node_modules/react-native/third-party-podspecs/boost.podspec`)
@@ -1999,6 +2008,7 @@ DEPENDENCIES:
   - ExpoBackgroundFetch (from `../node_modules/expo-background-fetch/ios`)
   - ExpoBackgroundTask (from `../node_modules/expo-background-task/ios`)
   - ExpoBlur (from `../node_modules/expo-blur/ios`)
+  - ExpoCamera (from `../node_modules/expo-camera/ios`)
   - ExpoFileSystem (from `../node_modules/expo-file-system/ios`)
   - ExpoFont (from `../node_modules/expo-font/ios`)
   - ExpoHaptics (from `../node_modules/expo-haptics/ios`)
@@ -2119,6 +2129,7 @@ SPEC REPOS:
     - SDWebImageWebPCoder
     - Sentry
     - SocketRocket
+    - ZXingObjC
 
 EXTERNAL SOURCES:
   boost:
@@ -2145,6 +2156,8 @@ EXTERNAL SOURCES:
     :path: "../node_modules/expo-background-task/ios"
   ExpoBlur:
     :path: "../node_modules/expo-blur/ios"
+  ExpoCamera:
+    :path: "../node_modules/expo-camera/ios"
   ExpoFileSystem:
     :path: "../node_modules/expo-file-system/ios"
   ExpoFont:
@@ -2359,6 +2372,7 @@ SPEC CHECKSUMS:
   ExpoBackgroundFetch: 6dcade705c90ae5b7e2d0836b9145cae8f5f3070
   ExpoBackgroundTask: 6c1990438e45b5c4bbbc7d75aa6b688d53602fe8
   ExpoBlur: 3c8885b9bf9eef4309041ec87adec48b5f1986a9
+  ExpoCamera: e1879906d41184e84b57d7643119f8509414e318
   ExpoFileSystem: 7f92f7be2f5c5ed40a7c9efc8fa30821181d9d63
   ExpoFont: cf508bc2e6b70871e05386d71cab927c8524cc8e
   ExpoHaptics: 0ff6e0d83cd891178a306e548da1450249d54500
@@ -2474,6 +2488,7 @@ SPEC CHECKSUMS:
   SocketRocket: d4aabe649be1e368d1318fdf28a022d714d65748
   UMAppLoader: 55159b69750129faa7a51c493cb8ea55a7b64eb9
   Yoga: adb397651e1c00672c12e9495babca70777e411e
+  ZXingObjC: 8898711ab495761b2dbbdec76d90164a6d7e14c5
 
 PODFILE CHECKSUM: 8d79b726cf7814a1ef2e250b7a9ef91c07c77936