added more localized terms

lib/l10n/app_en.arb

@@ -1,4 +1,14 @@
 {
     "german": "German",
-    "english": "English" 
+    "english": "English",
+    "resume": "Resume",
+    "skills": "Skills",
+    "languages": "Languages",
+    "mother_tongue": "Native",
+    "very_good": "Very goods",
+    "about_me": "About me",
+    "additional_skills": "Additional Skills",
+    "work_experience": "Work experience",
+    "education": "Education",
+    "source_code": "Source Code"
 }