add global value to json schema

Signed-off-by: Tim Ramlot <[email protected]>

Author: inteon

schema/render.go

@@ -154,6 +154,12 @@ func Render(document *parser.Document) (string, error) {
 		definitions[prefixName(level.Path.String())] = newSchema
 	})
 
+	definitions["global"] = spec.Schema{
+		SchemaProps: spec.SchemaProps{
+			Description: "Global values shared across all (sub)charts",
+		},
+	}
+
 	type JsonSchema struct {
 		Schema string           `json:"$schema,omitempty"`
 		Ref    string           `json:"$ref,omitempty"`