Add - Status colors in Wiki, Example per parameter (#12394)

This are small (but visually nice) improvements:
- Add colors: 200 = green, 300 = blue, 400 = red
- Add an example per parameter for better understanding

modules/openapi-generator/src/main/resources/confluenceWikiDocs/index.mustache

@@ -27,32 +27,32 @@ h3. {{nickname}}
 h4. Parameters
     {{#hasPathParams}}
 h5. Path Parameters
-        ||Name||Description||Type||Required||Default||Pattern||Enum||
+        ||Name||Description||Type||Required||Default||Pattern||Enum||Example||
         {{#pathParams}}{{>param}}{{/pathParams}}
     {{/hasPathParams}}
 
     {{#hasBodyParam}}
 h5. Body Parameter
-        ||Name||Description||Type||Required||Default||Pattern||Enum||
+        ||Name||Description||Type||Required||Default||Pattern||Enum||Example||
         {{#bodyParams}}{{>param}}{{/bodyParams}}
     {{/hasBodyParam}}
 
     {{#hasHeaderParams}}
 h5. Header Parameters
-        ||Name||Description||Required||Default||Pattern||
+        ||Name||Description||Type||Required||Default||Pattern||Enum||Example||
         {{#headerParams}}{{>param}}{{/headerParams}}
     {{/hasHeaderParams}}
 
     {{#hasQueryParams}}
 h5. Query Parameters
-        ||Name||Description||Required||Default||Pattern||
+        ||Name||Description||Type||Required||Default||Pattern||Enum||Example||
         {{#queryParams}}{{>param}}{{/queryParams}}
     {{/hasQueryParams}}
 ----
 h4. Responses
     {{#responses}}
 
-    	|| Status Code | {status:colour=Green|title={{code}}|subtle=false} |
+    	|| Status Code | {status:colour={{#is2xx}}Green{{/is2xx}}{{^is2xx}}{{#is4xx}}Orange{{/is4xx}}{{^is4xx}}Red{{/is4xx}}{{/is2xx}}|title={{code}}|subtle=false} |
     	|| Message | {{message}} |
     	|| Response Type | {{{dataType}}} |
     	|| Response Model | [{{dataType}} Model|#{{dataType}}ModelAnchor|Jump to model] |
@@ -81,8 +81,8 @@ h2. Models
         {{#allowableValues}} {{#enumVars}} |{{{name}}} |{{{value}}} |{{{enumDescription}}} |
         {{/enumVars}}
         {{/allowableValues}} {{/isEnum}}
-        {{^isEnum}}||Field Name||Required||Type||Description||Enum||
+        {{^isEnum}}||Field Name||Required||Type||Description||Enum||Example||
-        {{#vars}} |{{baseName}} |{{#required}}(/){{/required}}{{^required}}(x){{/required}} |{noformat:nopanel=true}{{{dataType}}}{noformat} |{{description}} | {{#isEnum}} {{_enum}} {{/isEnum}} |
+        {{#vars}} |{{baseName}} |{{#required}}(/){{/required}}{{^required}}(x){{/required}} |{noformat:nopanel=true}{{{dataType}}}{noformat} | {{description}} | {{#isEnum}} {{_enum}} {{/isEnum}} | {{example}}
         {{/vars}} {{/isEnum}}
     {{/model}}
 {{/models}}