enable lsp + a bunch of other things

lua/plugins/mason-lspconfig.lua

@@ -0,0 +1,14 @@
+return {
+  "mason-org/mason-lspconfig.nvim",
+  opts = {
+    ensure_installed = { 
+      "lua_ls",
+      "rust_analyzer",
+      "markdown_oxide"
+    },
+  },
+  dependencies = {
+    { "mason-org/mason.nvim", opts = {} },
+    "neovim/nvim-lspconfig",
+  },
+}