[neovim] Fix LSPs

home-manager/features/neovim/config/lua/plugins/lsp.lua

@@ -0,0 +1,12 @@
+return {
+  {
+    "neovim/nvim-lspconfig",
+    opts = {
+      servers = {
+        copilot = {},
+        lua_ls = {},
+        nil_ls = {},
+      },
+    },
+  },
+}

home-manager/features/neovim/config/lua/plugins/rust.lua

@@ -1,5 +1,6 @@
 return {
   "mrcjkb/rustaceanvim",
+  ft = { "rust" },
   opts = {
     server = {
       default_settings = {