implemented function to return estimated times of company.

Therefore task and project module had to be created and partially implemented

translations/src/main/resources/de.json

@@ -57,6 +57,9 @@
   "home" : {
     "Welcome" : "Willkommen, {0}"
   },
+  "items": {
+    "items": "Artikel"
+  },
   "login" : {
     "do_login"         : "anmelden",
     "Email_or_Username": "Email oder Nutzername",
@@ -91,6 +94,9 @@
     "404": "Seite nicht gefunden",
     "501": "Nicht implementiert"
   },
+  "task": {
+    "estimated_times": "geschätzte Zeiten"
+  },
   "user" : {
     "actions": "Aktionen",
     "abort": "abbrechen",