chore(cmd-runner): update docu

client/README.md

@@ -28,7 +28,7 @@ java -jar client-1.0-SNAPSHOT.jar send
     --leikaKey=urn:de:fim:leika:leistung:99400048079000 
     --attachments="C:/path/to/attachments/dummy1.pdf", "C:/path/to/attachments/dummy2.pdf"
     --data="C:/path/to/data/date.json" 
-    --dataType=JSON
+    --dataType=json
 ````
 > Hint: copy example on one line for execution !
 
@@ -76,7 +76,7 @@ Usage: <main class> [command] [command options]
             Path to JSON or XML data
         * --dataType
             Data mime type (JSON/XML), default JSON
-            Possible Values: [JSON, XML]
+            Possible Values: [json, xml]
         * --destinationId
             Unique destination identifier in UUID format
         * --leikaKey

client/src/main/java/dev/fitko/fitconnect/client/cmd/commands/SendSubmissionCommand.java

@@ -39,7 +39,7 @@ public class SendSubmissionCommand {
     public
     String data;
 
-    @Parameter(names = {"--dataType"}, arity = 1, description = "Data mime type (JSON/XML), default JSON", required = true)
+    @Parameter(names = {"--dataType"}, arity = 1, description = "Data mime type (json/xml), default JSON", required = true)
     public
     AttachmentDataType dataType;