Update user vimrc

vim/vimrc.user

@@ -5,22 +5,43 @@ map <F11> :!ctags -R --sort=yes --c++-kinds=+p --fields=+iaS --extra=+q .<CR>
 map <F10> :mksession! Session.vim \| wviminfo! viminfo<CR>
 
 set modeline
+
+" indentation setup
 set noexpandtab
 set listchars+=precedes:<,extends:>
+set noswapfile
+
+set switchbuf=usetab,newtab
 
 " Language Server
 
 let g:lsp_signs_enabled = 1         " enable signs
 let g:lsp_diagnostics_echo_cursor = 1 " enable echo under cursor when in normal mode
 
-"if executable('pyls')
-"    " pip install python-language-server
-"    au User lsp_setup call lsp#register_server({
-"        \ 'name': 'pyls',
-"        \ 'cmd': {server_info->['pyls']},
-"        \ 'whitelist': ['python'],
-"        \ })
-"endif
+" VIM Packs
+if executable('clangd')
+    au User lsp_setup call lsp#register_server({
+        \ 'name': 'clangd',
+        \ 'cmd': {server_info->['clangd']},
+        \ 'whitelist': ['c', 'cpp'],
+        \ })
+endif
+
+if executable('rls')
+    au User lsp_setup call lsp#register_server({
+        \ 'name': 'rls',
+        \ 'cmd': {server_info->['rls']},
+        \ 'whitelist': ['rust'],
+        \ })
+endif
+
+if executable('pyls')
+    au User lsp_setup call lsp#register_server({
+        \ 'name': 'pyls',
+        \ 'cmd': {server_info->['pyls']},
+        \ 'whitelist': ['python'],
+        \ })
+endif
 
 if executable('ghdl-ls')
     au User lsp_setup call lsp#register_server({