feat: add branded app and web icons

Add adaptive and legacy launcher icons for Android.

Replace the default notification icon with a branded monochrome asset.

Add favicon, touch icons, and a web app manifest for the web client.

android/app/src/main/AndroidManifest.xml

@@ -13,9 +13,9 @@
         android:name=".MessengerApplication"
         android:allowBackup="true"
         android:enableOnBackInvokedCallback="true"
-        android:icon="@android:drawable/sym_def_app_icon"
+        android:icon="@mipmap/ic_launcher"
         android:label="@string/app_name"
-        android:roundIcon="@android:drawable/sym_def_app_icon"
+        android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
         android:usesCleartextTraffic="true"
         android:theme="@style/Theme.Messenger">

android/app/src/main/java/ru/daemonlord/messenger/core/notifications/NotificationDispatcher.kt

@@ -89,7 +89,7 @@ class NotificationDispatcher @Inject constructor(
         state.lines.reversed().forEach { inboxStyle.addLine(it) }
 
         val notification = NotificationCompat.Builder(context, channelId)
-            .setSmallIcon(android.R.drawable.ic_dialog_info)
+            .setSmallIcon(R.drawable.ic_notification_small)
             .setContentTitle(state.title)
             .setContentText(contentText)
             .setStyle(inboxStyle)
@@ -154,7 +154,7 @@ class NotificationDispatcher @Inject constructor(
             inboxStyle.addLine(line)
         }
         val summary = NotificationCompat.Builder(context, NotificationChannels.CHANNEL_MESSAGES)
-            .setSmallIcon(android.R.drawable.ic_dialog_info)
+            .setSmallIcon(R.drawable.ic_notification_small)
             .setContentTitle("Benya Messenger")
             .setContentText("$totalUnread new messages in ${snapshot.size} chats")
             .setStyle(inboxStyle)

android/app/src/main/res/drawable/ic_launcher_foreground.xml

@@ -0,0 +1,24 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <group
+        android:pivotX="54"
+        android:pivotY="54"
+        android:scaleX="0.72"
+        android:scaleY="0.72">
+        <path
+            android:fillColor="@android:color/white"
+            android:pathData="M31,19C23.268,19 17,25.268 17,33v29c0,7.732 6.268,14 14,14h13.2L40,91l21.5,-15H77c7.732,0 14,-6.268 14,-14V33c0,-7.732 -6.268,-14 -14,-14H31z" />
+        <path
+            android:fillColor="#1E6FC1"
+            android:pathData="M37,38m0,5a5,5 0,1 1,0 -10h34a5,5 0,1 1,0 10H37z" />
+        <path
+            android:fillColor="#1E6FC1"
+            android:pathData="M37,52m0,5a5,5 0,1 1,0 -10h22a5,5 0,1 1,0 10H37z" />
+        <path
+            android:fillColor="#1E6FC1"
+            android:pathData="M37,66m0,5a5,5 0,1 1,0 -10h14a5,5 0,1 1,0 10H37z" />
+    </group>
+</vector>

android/app/src/main/res/drawable/ic_launcher_monochrome.xml

@@ -0,0 +1,15 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+    <group
+        android:pivotX="54"
+        android:pivotY="54"
+        android:scaleX="0.72"
+        android:scaleY="0.72">
+        <path
+            android:fillColor="@android:color/white"
+            android:pathData="M31,19C23.268,19 17,25.268 17,33v29c0,7.732 6.268,14 14,14h13.2L40,91l21.5,-15H77c7.732,0 14,-6.268 14,-14V33c0,-7.732 -6.268,-14 -14,-14H31z" />
+    </group>
+</vector>

android/app/src/main/res/drawable/ic_notification_small.xml

@@ -0,0 +1,9 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="24dp"
+    android:height="24dp"
+    android:viewportWidth="24"
+    android:viewportHeight="24">
+    <path
+        android:fillColor="@android:color/white"
+        android:pathData="M6,2C4.343,2 3,3.343 3,5v8c0,1.657 1.343,3 3,3h1v4l4,-4h7c1.657,0 3,-1.343 3,-3V5c0,-1.657 -1.343,-3 -3,-3H6z" />
+</vector>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_monochrome" />
+</adaptive-icon>

android/app/src/main/res/mipmap-anydpi-v26/ic_launcher_round.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="utf-8"?>
+<adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
+    <background android:drawable="@color/ic_launcher_background" />
+    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <monochrome android:drawable="@drawable/ic_launcher_monochrome" />
+</adaptive-icon>

android/app/src/main/res/values/ic_launcher_background.xml

@@ -0,0 +1,4 @@
+<?xml version="1.0" encoding="utf-8"?>
+<resources>
+    <color name="ic_launcher_background">#3390EC</color>
+</resources>