Add a vimrc file specifically for this project

Author: jbranchaud

.vimrc

@@ -0,0 +1,11 @@
+" vimrc for til
+
+" In order for this file to be loaded by Vim, the main `.vimrc` file must
+" contain `set exrc` and optionally `set secure`. Without those lines, Vim
+" will ignore this file.
+
+function! CountTILs()
+    execute '%s/^- \[//n'
+endfunction
+
+nnoremap <leader>c :call CountTILs()<cr>