Update 'swagger.yaml'

Update example

swagger.yaml

@@ -68,9 +68,6 @@ paths:
               infile:
                 type: string
                 description: Name of the json input file to utilise                
-              in-data:
-                type: object
-                description: json input to convert to spreadsheet
               worksheet-name:
                 type: string
                 description: Label for the worksheet created in the spreadsheet
@@ -87,7 +84,7 @@ paths:
           type: knative-workflow
       x-direktiv-examples:
         # ADD MORE EXAMPLES HERE
-        - title: Rely on Direktiv to create input file
+        - title: Basic
           content: |-
             - id: export-xlsx
               type: action
@@ -100,16 +97,19 @@ paths:
                       jq(.input)                  
                   worksheet-name: "TestSpreadsheet"
                   out-filename: example.xlsx
-        - title: Use function to create input file
+        - title: Use jq to add a parent key 'input' containing array of objects
           content: |-
             - id: export-xlsx
               type: action
               action:
                 function: export-xlsx
-                input:                  
+                input: 
+                  files:
+                  - name: input.json
+                    data: |
+                      jq(.array | {input: . } | tostring )                  
                   worksheet-name: "TestSpreadsheet"
-                  out-filename: example.xlsx
+                  out-filename: example.xlsx                   
-                  in-data: jq(.array | tostring)              
       x-direktiv-secrets:
         - name: export-xlsxSecret
           description: This is a secret value