add elixir support to nvim

dot_config/nvim/lua/pack.lua

@@ -22,3 +22,6 @@ paq 'nvim-treesitter/playground' -- ts playground
 paq 'nvim-treesitter/nvim-treesitter-textobjects' -- ts textobjects
 paq 'neovim/nvim-lspconfig' -- lsp client config
 paq 'hrsh7th/nvim-compe' -- completion
+
+-- misc
+paq 'elixir-editors/vim-elixir' -- elixir support

dot_config/nvim/lua/plugins/lspconfig.lua

@@ -1,2 +1,5 @@
 require('lspconfig').tsserver.setup{}
 require('lspconfig').rust_analyzer.setup{}
+require('lspconfig').elixirls.setup {
+  cmd = {'/Users/lu/.local/bin/elixir-ls/language_server.sh'}
+}