add another param to the validateParameters example

Author: nvnieuwk

examples/validateParameters/pipeline/nextflow.config

@@ -5,4 +5,5 @@ plugins {
 params {
   param1 = 120
   param2 = true
+  param3 = "this is a string"
 }

examples/validateParameters/pipeline/nextflow_schema.json

@@ -9,14 +9,17 @@
             "title": "Test parameters",
             "type": "object",
             "fa_icon": "fas fa-terminal",
-            "description": "Some random test parameters",
+            "description": "Some example test parameters",
             "required": ["param1", "param2"],
             "properties": {
                 "param1": {
                     "type": "string"
                 },
                 "param2": {
                     "type": "integer"
+                },
+                "param3": {
+                    "type": "string"
                 }
             }
         }