Add support for constructor comments (and refactor the template a little)

class.go

@@ -144,6 +144,7 @@ func ParseClass(file string) (*Class, error) {
 // And "---returns" only if there's a return type
 // This is NOT a luals annotation because we can not use annotations on @overload
 // But just a regular plain Lua comment
+// TODO: Implement parsing comments for classes and constructors
 func getConstructors(doc *goquery.Document) ([]Constructor, error) {
 	res := []Constructor{}
 
@@ -184,6 +185,12 @@ func getConstructors(doc *goquery.Document) ([]Constructor, error) {
 		resConstructor.Params[i].Comment = parameterDescription
 	})
 
+	constructorBlock.Find(":not(function)").Children().Each(func(i int, s *goquery.Selection) {
+		if s.Is("p") {
+			resConstructor.Comment = strings.TrimSpace(s.Text())
+		}
+	})
+
 	spew.Dump(resConstructor)
 	return append(res, resConstructor), nil
 }