autoinstall formatters and automatting

lua/custom/config/harpoon-config.lua

@@ -0,0 +1,11 @@
+require("telescope").load_extension("harpoon")
+
+require('which-key').register {
+    ['<leader>h'] = {
+        name = "[H]arpoon",
+        m = { "<cmd>:lua require('harpoon.mark').add_file()<cr>", "[M]ark" },
+        t = { "<cmd>:lua require('harpoon.ui').toggle_quick_menu()<cr>", "[T]oggle Menu" },
+        p = { "<cmd>:lua require('harpoon.ui').nav_prev()<cr>", "[P]revious File" },
+        n = { "<cmd>:lua require('harpoon.ui').nav_next()<cr>", "[N]ext File" },
+    },
+}

lua/custom/config/mason-null-ls-config.lua

@@ -0,0 +1,4 @@
+require("mason-null-ls").setup({
+    ensure_installed = { "isort", "black" },
+    automatic_installation = true
+})