chore(l10n): update Norwegian Nynorsk translations

Currently translated at 3.1% (4 of 129 strings)

Translation: Fossify/Calculator
Translate-URL: https://hosted.weblate.org/projects/fossify/calculator/nn/
Via: Weblate

Author: Sandyran

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

@@ -1,2 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
-<resources></resources>
+<resources>
+    <string name="app_launcher_name">Kalkulator</string>
+    <string name="history">Historikk</string>
+    <string name="history_empty">Historikken er tom</string>
+    <string name="clear_history">Tøm</string>
+</resources>