Move lsp config to local file structure

.config/nvim/lsp/uiua.lua

@@ -0,0 +1,14 @@
+---@brief
+---
+--- https://github.com/uiua-lang/uiua/
+---
+--- The builtin language server of the Uiua interpreter.
+---
+--- The Uiua interpreter can be installed with `cargo install uiua`
+
+---@type vim.lsp.Config
+return {
+  cmd = { 'uiua', 'lsp' },
+  filetypes = { 'uiua' },
+  root_markers = { 'main.ua', '.fmt.ua', '.git' },
+}