move stuff to common and half figured out the install script

common/.config/nvim/lua/lsp-general.lua

@@ -0,0 +1,74 @@
+local lsp_installer = require'nvim-lsp-installer'
+local lsp_installer_servers = require'nvim-lsp-installer.servers'
+
+-- install LSP servers
+local function installServer(name)
+    local ok, server = lsp_installer_servers.get_server(name)
+    if ok then
+        if not server:is_installed() then
+            server:install()
+        end
+    end
+end
+
+local function installServers(names)
+    for _,name in pairs(names) do
+        installServer(name)
+    end
+end
+
+-- find a list of available ones here: https://github.com/williamboman/nvim-lsp-installer
+installServers({'angularls', 'bashls', 'dockerls', 'sumneko_lua', 'pyright', 'jsonls', 'cssls', 'tsserver'})
+
+-- setup installed servers
+lsp_installer.on_server_ready(function(server)
+    local opts = {}
+
+    -- (optional) Customize the options passed to the server
+    -- if server.name == "tsserver" then
+    --     opts.root_dir = function() ... end
+    -- end
+    if server.name == 'sumneko_lua' then
+        opts = require'lsp-server-config.lua'
+    end
+
+    -- This setup() function is exactly the same as lspconfig's setup function.
+    -- Refer to https://github.com/neovim/nvim-lspconfig/blob/master/ADVANCED_README.md
+    server:setup(opts)
+end)
+
+-- diagnostic symbols
+local signs = { Error = "", Warn = "", Hint = "", Info =  ""}
+for type, icon in pairs(signs) do
+	local hl = "DiagnosticSign" .. type
+	vim.fn.sign_define(hl, { text = icon, texthl = hl, numhl = hl })
+end
+
+-- completion symbols
+vim.lsp.protocol.CompletionItemKind = {
+    "   (Text) ",
+    "   (Method)",
+    "   (Function)",
+    "   (Constructor)",
+    " ﴲ  (Field)",
+    "[] (Variable)",
+    "   (Class)",
+    " ﰮ  (Interface)",
+    "   (Module)",
+    " 襁 (Property)",
+    "   (Unit)",
+    "   (Value)",
+    " 練 (Enum)",
+    "   (Keyword)",
+    "   (Snippet)",
+    "   (Color)",
+    "   (File)",
+    "   (Reference)",
+    "   (Folder)",
+    "   (EnumMember)",
+    " ﲀ  (Constant)",
+    " ﳤ  (Struct)",
+    "   (Event)",
+    "   (Operator)",
+    "   (TypeParameter)"
+}