Add icon and menu item

app/src/main/java/app/insti/adapter/GenericAdapter.java

@@ -12,6 +12,7 @@ import app.insti.Utils;
 import app.insti.api.model.Achievement;
 import app.insti.api.model.Body;
 import app.insti.api.model.Event;
+import app.insti.api.model.OfferedAchievement;
 import app.insti.api.model.Role;
 import app.insti.api.model.User;
 import app.insti.interfaces.CardInterface;
@@ -47,6 +48,8 @@ public class GenericAdapter extends CardAdapter<CardInterface> {
     public int getAvatarPlaceholder(CardInterface cardInterface) {
         if (cardInterface instanceof User) {
             return R.drawable.user_placeholder;
+        } else if (cardInterface instanceof OfferedAchievement) {
+            return R.drawable.ic_done_all_black_256dp;
         }
         return Utils.isDarkTheme ? R.drawable.lotus_placeholder_dark : R.drawable.lotus_placeholder;    
     }

app/src/main/res/drawable/ic_done_all_black_256dp.xml

+<vector android:height="256dp" android:viewportHeight="24.0"
+    android:viewportWidth="24.0" android:width="256dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M18,7l-1.41,-1.41 -6.34,6.34 1.41,1.41L18,7zM22.24,5.59L11.66,16.17 7.48,12l-1.41,1.41L11.66,19l12,-12 -1.42,-1.41zM0.41,13.41L6,19l1.41,-1.41L1.83,12 0.41,13.41z"/>
+</vector>

app/src/main/res/menu/activity_main_drawer.xml

@@ -43,6 +43,11 @@
             android:icon="@drawable/ic_map_black_48dp"
             android:title="Map" />
 
+        <item
+            android:id="@+id/nav_achievements"
+            android:icon="@drawable/ic_done_all_black_256dp"
+            android:title="Achievements" />
+
         <item
             android:id="@+id/nav_complaint"
             android:icon="@drawable/baseline_feedback_black_48"