[MINOR] Added missing none-ls file

.config/nvim/lua/plugins/none-ls.lua

@@ -0,0 +1,30 @@
+local augroup = vim.api.nvim_create_augroup("LspFormatting",{})
+local null_ls = require("null-ls")
+
+null_ls.setup({
+    sources = {
+        null_ls.builtins.formatting.rustfmt,
+        null_ls.builtins.formatting.blue,
+        null_ls.builtins.formatting.gofmt,
+        null_ls.builtins.formatting.clang_format,
+        null_ls.builtins.code_actions.shellcheck,
+        null_ls.builtins.formatting.prettierd.with({
+            filetypes = { "html", "json", "css", "js", "yaml", "markdown" },
+        }),
+    },
+    on_attach = function(client,bufnr)
+        if client.supports_method("textDocument/formatting") then
+            vim.api.nvim_clear_autocmds({
+                group = augroup,
+                buffer = bufnr,
+            })
+            vim.api.nvim_create_autocmd("BufWritePre",{
+                group = augroup,
+                buffer = bufnr,
+                callback = function()
+                    vim.lsp.buf.format({ bufnr = bufnr })
+                end
+            })
+        end
+    end,
+})