make max tabs reached message translateable

app/src/main/java/com/keylesspalace/tusky/TabPreferenceActivity.kt

@@ -125,6 +125,8 @@ class TabPreferenceActivity : BaseActivity(), Injectable, ItemInteractionListene
             actionButton.isExpanded = false
         }
 
+        maxTabsInfo.text = getString(R.string.max_tab_number_reached, MAX_TAB_COUNT)
+
         updateAvailableTabs()
 
     }

app/src/main/res/layout/activity_tab_preference.xml

@@ -1,6 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
     android:layout_width="match_parent"
     android:layout_height="match_parent">
 
@@ -55,9 +56,9 @@
                 android:id="@+id/maxTabsInfo"
                 android:layout_width="match_parent"
                 android:layout_height="wrap_content"
-                android:text="maximum of 5 tabs reached"
+                android:lineSpacingMultiplier="1.1"
                 android:padding="8dp"
-                android:lineSpacingMultiplier="1.1" />
+                tools:text="@string/max_tab_number_reached" />
 
             <TextView
                 android:layout_width="match_parent"

app/src/main/res/values-de/strings.xml

@@ -330,4 +330,7 @@
     <string name="title_reblogged_by">Geteilt von</string>
     <string name="title_favourited_by">Favorisiert von</string>
 
+    <string name="max_tab_number_reached">maximale Anzahl von %1$d Tabs erreicht</string>
+
+
 </resources>

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

@@ -384,6 +384,7 @@
     <string name="conversation_1_recipients">%1$s</string>
     <string name="conversation_2_recipients">%1$s and %2$s</string>
     <string name="conversation_more_recipients">%1$s, %2$s and %3$d more</string>
+    <string name="max_tab_number_reached">maximum of %1$d tabs reached</string>
 
 
 </resources>