removed lsp-zero and reconfigured lsp. setup cmp more throughly. added snippets. made packer file a bit more organized.

env/.config/nvim/after/plugin/null-ls.lua

@@ -0,0 +1,8 @@
+local ok, null_ls = pcall(require, 'null-ls')
+if ok then
+    null_ls.setup({
+        sources = {
+            null_ls.builtins.diagnostics.markdownlint_cli2,
+        },
+    })
+end