add borders to floating lsp windows in neovim

nvim/fnl/init.fnl

@@ -101,6 +101,12 @@
 
 ;; (vim.lsp.set_log_level :debug)
 
+;; default hover windows to have borders
+(let [{: handlers : with} vim.lsp
+      {: hover} handlers]
+  (tset handlers :textDocument/hover (with hover {:border :rounded}))
+  (tset handlers :textDocument/signatureHelp (with hover {:border :rounded})))
+
 (let [opts {:noremap true :silent true}]
   (vim.keymap.set :n :<leader>e vim.diagnostic.open_float opts)
   (vim.keymap.set :n "[d" vim.diagnostic.goto_prev opts)