update Readme for latexmk

README.md

@@ -69,5 +69,8 @@ let g:airline#extensions#tabline#left_alt_sep = '|'
 let g:airline_symbols = {}
 let g:airline_symbols.colnr = ' ㏇:'
 
-
+"LaTeX
+ let g:vimtex_compiler_latexmk= {'options' : ['-pdf', '-shell-
+    escape', '-verbose', '-file-line-error', '-synctex=1', '-
+    interaction=nonstopmode',],}
 ```