chore: debug icon (#634)

* chore: add debug icon to make it easier to identify debug builds on developers' devices

* chore: add new AppIcon assets with 1024x1024

bitchat.xcodeproj/project.pbxproj

@@ -498,7 +498,7 @@
 			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
 			baseConfigurationReferenceRelativePath = Debug.xcconfig;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIconDebug;
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = YES;
 				CODE_SIGNING_ALLOWED = YES;
 				CODE_SIGNING_REQUIRED = YES;
@@ -684,7 +684,7 @@
 			baseConfigurationReferenceAnchor = A6E367C92E76469E0032EA8A /* Configs */;
 			baseConfigurationReferenceRelativePath = Debug.xcconfig;
 			buildSettings = {
-				ASSETCATALOG_COMPILER_APPICON_NAME = AppIcon;
+				ASSETCATALOG_COMPILER_APPICON_NAME = AppIconDebug;
 				ASSETCATALOG_COMPILER_INCLUDE_ALL_APPICON_ASSETS = YES;
 				CODE_SIGNING_ALLOWED = YES;
 				CODE_SIGNING_REQUIRED = YES;

bitchat/Assets.xcassets/AppIconDebug.appiconset/Contents.json

@@ -0,0 +1,38 @@
+{
+  "images" : [
+    {
+      "filename" : "image-1024.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "dark"
+        }
+      ],
+      "filename" : "image-1024 1.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    },
+    {
+      "appearances" : [
+        {
+          "appearance" : "luminosity",
+          "value" : "tinted"
+        }
+      ],
+      "filename" : "image-1024 2.png",
+      "idiom" : "universal",
+      "platform" : "ios",
+      "size" : "1024x1024"
+    }
+  ],
+  "info" : {
+    "author" : "xcode",
+    "version" : 1
+  }
+}