feat: enhance Neovim configuration and add community plugins

lua/plugins/astrolsp.lua

@@ -0,0 +1,15 @@
+return {
+  "AstroNvim/astrolsp",
+  ---@type AstroLSPOpts
+  opts = {
+    formatting = {
+      format_on_save = {
+        enabled = true, -- enable or disable
+        ignore_filetypes = { -- disable format on save for specified filetypes
+          "markdown",
+          "python",
+        },
+      },
+    },
+  },
+}