added minimal vimrc to work with the vim-lsp plugin

minimal-vim-lsp.vim

@@ -0,0 +1,22 @@
+call plug#begin('~/.vim/plugged')
+
+Plug 'Lokaltog/vim-distinguished'
+
+Plug 'prabirshrestha/async.vim'
+Plug 'prabirshrestha/vim-lsp'
+
+call plug#end()
+
+syntax on
+
+if executable('vhdl-tool')
+    au User lsp_setup call lsp#register_server({
+        \ 'name': 'vhdl-tool',
+        \ 'cmd': {server_info->['vhdl-tool', 'lsp']},
+        \ 'whitelist': ['vhdl'],
+        \ 'root_uri':{server_info->lsp#utils#path_to_uri(lsp#utils#find_nearest_parent_file_directory(lsp#utils#get_buffer_path(), 'vhdltool-config.yaml'))},
+        \ })
+endif
+
+autocmd FileType vhdl setlocal omnifunc=lsp#complete
+