update feature list in readme
update feature list in readme

gold3bear/swig,benpptung/swig,jerrylin1002/swig,paularmstrong/swig,cgvarela/swig,CuteSephiroth/swig,zongkelong/swig,gogobook/swig,genify/swig,Lochlan/swig,zetlen/swig,xiaoyang2022/swig,mrazvan92/swig-async,notthetup/swig,cgvarela/swig,genify/swig,xiaoyang2022/swig,mrazvan92/swig-template-callback,zongkelong/swig,cwhatley/swig,gold3bear/swig,notthetup/swig,cwhatley/swig,gogobook/swig,benpptung/swig,zetlen/swig,Lochlan/swig,xiaoyang2022/swig,Lochlan/swig,zetlen/swig,jerrylin1002/swig,Thunf/swiger,benpptung/swig,mahdaen/swig,cwhatley/swig,gold3bear/swig,Thunf/swiger,CuteSephiroth/swig,CuteSephiroth/swig,jrvldam/swig,jrvldam/swig,DragWeb/swig,notthetup/swig,DragWeb/swig,Thunf/swiger,paularmstrong/swig,jerrylin1002/swig,cgvarela/swig,mrazvan92/swig-template-callback,jrvldam/swig,mrazvan92/swig-template-callback,apiaryio/swig,nickwah/swig,gitoneman/swig,mrazvan92/swig-async,gitoneman/swig,mrazvan92/swig-async,gogobook/swig,DragWeb/swig,apiaryio/swig,mahdaen/swig,mahdaen/swig,nickwah/swig,genify/swig,zongkelong/swig,gitoneman/swig,paularmstrong/swig