gocctl model v20200819 (#18)

* rename snake、came method

* new: generate model from data source

* add change log md

* update model doc

* update  doc

* beauty code

tools/goctl/util/console/console.go

@@ -19,6 +19,13 @@ type (
 	}
 )
 
+func NewConsole(idea bool) Console {
+	if idea {
+		return NewIdeaConsole()
+	}
+	return NewColorConsole()
+}
+
 func NewColorConsole() *colorConsole {
 	return &colorConsole{}
 }