feat:#72 add footer and commit id injection

frontend/src/i18n/translations/en.json

@@ -272,5 +272,17 @@
     },
     "notFound": "Not finding what you're looking for?",
     "contact": "Get in touch"
+  },
+  "footer": {
+    "commitInfo": {
+      "tooltip": "application version",
+      "title": "application version",
+      "description": "Shows the commit id of the deployed frontend version of the HTWKalender. For debuggers and developers.",
+      "hash": "commit hash",
+      "component": "component",
+      "components":{
+        "frontend": "frontend"
+      }
+    }
   }
 }