Add vim compiler plugin (bkrem#22)

Author: dmdque

README.md

@@ -116,6 +116,7 @@ Please check the [contribution guidelines](CONTRIBUTING.md) for info on formatti
 
 #### Vim
 - [vim-solidity](https://github.com/tomlion/vim-solidity) - Vim syntax file.
+- [solidity.vim](https://github.com/dmdque/solidity.vim) - Vim compiler plugin.
 
 #### Visual Studio
 - [vscode-solidity](https://github.com/juanfranblanco/vscode-solidity) - Visual Studio Code language support extension.