Adjust authors file

rename krfl9500 to Florian instead of Florian Kroker
add lukasw as Lukas Weichelt
add codecraft as Darius

authors.json

@@ -6,9 +6,15 @@
     "display_name": "Pingu"
   },
   "krfl9500": {
-    "display_name": "Florian Kroker"
+    "display_name": "Florian"
   },
   "tuxilio": {
     "display_name": "Tuxilio"
+  },
+  "lukasw": {
+    "display_name": "Lukas Weichelt"
+  },
+  "codecraft": {
+    "display_name": "Darius"
   }
 }