Move lsp config to local file structure

.config/nvim/lsp/flow.lua

@@ -0,0 +1,29 @@
+---@brief
+---
+--- https://flow.org/
+--- https://github.com/facebook/flow
+---
+--- See below for how to setup Flow itself.
+--- https://flow.org/en/docs/install/
+---
+--- See below for lsp command options.
+---
+--- ```sh
+--- npx flow lsp --help
+--- ```
+
+---@type vim.lsp.Config
+return {
+  cmd = function(dispatchers)
+    local cmd = nil
+    if vim.fn.executable('flow') then
+      cmd = { 'flow', 'lsp' }
+    else
+      cmd = { 'npx', '--no-install', 'flow', 'lsp' }
+    end
+
+    return vim.lsp.rpc.start(cmd, dispatchers)
+  end,
+  filetypes = { 'javascript', 'javascriptreact', 'javascript.jsx' },
+  root_markers = { '.flowconfig' },
+}