Added loupe lib to libDTRichTextEditor for demo
Added loupe lib to libDTRichTextEditor for demo

liulinjian/DTRichTextEditor,liulinjian/DTRichTextEditor,fishermenlabs/DTRichTextEditor,programming086/DTRichTextEditor,Cocoanetics/DTRichTextEditor,programming086/DTRichTextEditor,fishermenlabs/DTRichTextEditor