Introduce Wiki markdown API option (gogs#42)

Amended with string to bool change.

Signed-off-by: Andrew Boyarshin <[email protected]>

Author: andrew-boyarshin

gitea/miscellaneous.go

@@ -9,4 +9,5 @@ type MarkdownOption struct {
 	Text    string
 	Mode    string
 	Context string
+	Wiki    bool
 }