Use oxlint through linter, fix folding startup error

lua/plugins/folding.lua

@@ -3,6 +3,8 @@ return {
   {
     "neovim/nvim-lspconfig",
     opts = {
+      servers = {
+        ["*"] = {
           capabilities = {
             textDocument = {
               foldingRange = {
@@ -13,6 +15,8 @@ return {
           },
         },
       },
+    },
+  },
   -- add nvim-ufo
   {
     "kevinhwang91/nvim-ufo",

lua/plugins/lspconfig.lua

@@ -10,6 +10,8 @@ return {
         -- removing .proto from the list of filetypes since clangd doesn't seem to be able to parse them
         filetypes = { "c", "cpp", "objc", "objcpp", "cuda" },
       },
+      -- Disable oxlint LSP - using nvim-lint with CLI instead for type-aware support
+      oxlint = { enabled = false },
     },
     -- Disable eslint formatting as it's slow and timing out on big projects
     -- taken from