added a app icon

closes #11

app/src/main/res/drawable-v24/ic_launcher_foreground.xml

@@ -1,30 +0,0 @@
-<vector xmlns:android="http://schemas.android.com/apk/res/android"
-    xmlns:aapt="http://schemas.android.com/aapt"
-    android:width="108dp"
-    android:height="108dp"
-    android:viewportWidth="108"
-    android:viewportHeight="108">
-    <path android:pathData="M31,63.928c0,0 6.4,-11 12.1,-13.1c7.2,-2.6 26,-1.4 26,-1.4l38.1,38.1L107,108.928l-32,-1L31,63.928z">
-        <aapt:attr name="android:fillColor">
-            <gradient
-                android:endX="85.84757"
-                android:endY="92.4963"
-                android:startX="42.9492"
-                android:startY="49.59793"
-                android:type="linear">
-                <item
-                    android:color="#44000000"
-                    android:offset="0.0" />
-                <item
-                    android:color="#00000000"
-                    android:offset="1.0" />
-            </gradient>
-        </aapt:attr>
-    </path>
-    <path
-        android:fillColor="#FFFFFF"
-        android:fillType="nonZero"
-        android:pathData="M65.3,45.828l3.8,-6.6c0.2,-0.4 0.1,-0.9 -0.3,-1.1c-0.4,-0.2 -0.9,-0.1 -1.1,0.3l-3.9,6.7c-6.3,-2.8 -13.4,-2.8 -19.7,0l-3.9,-6.7c-0.2,-0.4 -0.7,-0.5 -1.1,-0.3C38.8,38.328 38.7,38.828 38.9,39.228l3.8,6.6C36.2,49.428 31.7,56.028 31,63.928h46C76.3,56.028 71.8,49.428 65.3,45.828zM43.4,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2c-0.3,-0.7 -0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C45.3,56.528 44.5,57.328 43.4,57.328L43.4,57.328zM64.6,57.328c-0.8,0 -1.5,-0.5 -1.8,-1.2s-0.1,-1.5 0.4,-2.1c0.5,-0.5 1.4,-0.7 2.1,-0.4c0.7,0.3 1.2,1 1.2,1.8C66.5,56.528 65.6,57.328 64.6,57.328L64.6,57.328z"
-        android:strokeWidth="1"
-        android:strokeColor="#00000000" />
-</vector>

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

@@ -0,0 +1,19 @@
+<vector xmlns:android="http://schemas.android.com/apk/res/android"
+    android:width="108dp"
+    android:height="108dp"
+    android:viewportWidth="108"
+    android:viewportHeight="108">
+  <group android:scaleX="0.051679686"
+      android:scaleY="0.051679686"
+      android:translateX="27.54"
+      android:translateY="38.90954">
+    <path
+        android:pathData="m850.19,372.71c87.88,-11.01 119.04,-84.97 123.1,-99.87 4.06,-14.89 24.91,-80.57 11.92,-129.36 -12.99,-48.79 -34.36,-72.36 -58.62,-77.25 -24.25,-4.9 -50.59,10.51 -65,32.81 -14.41,22.3 -14.68,45.14 -14.78,55.29 -0.11,10.15 0.76,23.2 -3.37,33.29 -4.13,10.09 3.23,25.71 6.04,35.23 2.81,9.52 9.67,82.62 5.78,115.57 -3.89,32.95 -5.07,34.29 -5.07,34.29zM0.4,23.58C55.81,77.29 56.45,120.86 56.08,132.92c-0.36,12.06 4.77,130.59 11.47,150.76 4.42,13.3 12.11,50.16 41.78,74.48 25.51,20.91 58.65,31.38 58.65,31.38 0,0 36.42,78.46 78.83,108.64 31.56,22.46 39.61,23.74 46.5,35.55 6.18,10.6 93.56,62.62 275.1,47.23 127.29,-10.79 138.56,-44.3 138.56,-44.3 0,0 49.41,-21.9 101.15,-80.43 12.87,-14.56 4.41,-13.21 28.57,-17.79 24.16,-4.58 138.01,-45.58 170.66,-154.36C1039.99,175.32 1017.81,96.01 994.52,69.12 971.23,42.22 931.6,24.18 912.25,24.93c-18.47,0.71 -44.78,4.24 -80.21,46.87 -35.43,42.62 -28.94,37.4 -39.36,41.73 -6.82,2.83 -5.68,3.91 -26.75,-11.65 -20.23,-14.93 -28.9,-21.24 -43.38,-27.24 -7.96,-3.3 2.05,-5.55 2.59,-19.48 0.54,-13.93 2.4,-23.51 -17.32,-23.77 -19.72,-0.26 -408.02,0.21 -408.02,0.21 0,0 -18.8,-1.29 -7.79,24.82 4.2,9.94 -1.45,6.43 -33.27,25.85 -31.82,19.42 -55.58,34.4 -72.28,66.09 -8.43,16 -22.91,23.02 -27.97,8.05C153.44,141.43 125.2,48.96 105.17,23.22 85.56,-1.97 77.8,0.26 77.8,0.26Z"
+        android:strokeLineJoin="miter"
+        android:strokeWidth="0.41878"
+        android:fillColor="#000000"
+        android:strokeColor="#000000"
+        android:fillType="evenOdd"
+        android:strokeLineCap="butt"/>
+  </group>
+</vector>

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

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

@@ -1,5 +1,5 @@
 <?xml version="1.0" encoding="utf-8"?>
 <adaptive-icon xmlns:android="http://schemas.android.com/apk/res/android">
-    <background android:drawable="@drawable/ic_launcher_background" />
-    <foreground android:drawable="@drawable/ic_launcher_foreground" />
+    <background android:drawable="@color/ic_launcher_background"/>
+    <foreground android:drawable="@drawable/ic_launcher_foreground"/>
 </adaptive-icon>

app/src/main/res/values/colors.xml

@@ -3,4 +3,6 @@
     <color name="colorPrimary">#6200EE</color>
     <color name="colorPrimaryDark">#3700B3</color>
     <color name="colorAccent">#03DAC5</color>
+
+    <color name="ic_launcher_background">#FFFFFF</color>
 </resources>