add raw tag around swig examples in docs, clarify
add raw tag around swig examples in docs, clarify

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