add vim-rooter plugin and remove sniprun

.vimrc.bundles

@@ -69,6 +69,7 @@
         endif
 
         Plug 'NLKNguyen/papercolor-theme'
+        Plug 'airblade/vim-rooter'
 
         " only work with nvim > 0.5
         " For other versions, just loading the plugin may
@@ -82,7 +83,7 @@
                 Plug 'projekt0n/github-nvim-theme'
 
                 " partial code execution
-                Plug 'michaelb/sniprun', {'do': 'bash install.sh'}
+                " Plug 'michaelb/sniprun', {'do': 'bash install.sh'}
             endif
             if g:vim_version >= 0.7
                 Plug 'nvim-treesitter/nvim-treesitter', {'do': ':TSUpdate'}
@@ -110,11 +111,12 @@ if g:vim_type == 'nvim'
     " }
     "
     " michaelb/sniprun {
-
-        nmap <leader><leader>r <Plug>SnipRun
-        vmap <leader><leader>r <Plug>SnipRun
-        nmap <leader><leader>s <Plug>SnipReset
-        nmap <leader><leader>c <Plug>SnipClose
+        if isdirectory(expand(plugin_dir . "/sniprun"))
+            nmap <leader><leader>r <Plug>SnipRun
+            vmap <leader><leader>r <Plug>SnipRun
+            nmap <leader><leader>s <Plug>SnipReset
+            nmap <leader><leader>c <Plug>SnipClose
+        endif
     " }
     endif