feat(pack): add mdx language pack (#1142)

lua/astrocommunity/pack/markdown/init.lua

@@ -37,7 +37,6 @@ return {
     opts = {
       formatters_by_ft = {
         markdown = { "prettierd", "prettier", stop_after_first = true },
-        ["markdown.mdx"] = { "prettierd", "prettier", stop_after_first = true },
       },
     },
   },

lua/astrocommunity/pack/mdx/README.md

@@ -0,0 +1,7 @@
+# MDX Language Pack
+
+This plugin pack does the following:
+
+- Adds `markdown.mdx` filetype
+- Adds `mdx_analyzer` language server
+- Adds the [Markdown Language Pack](https://github.com/AstroNvim/astrocommunity/tree/main/lua/astrocommunity/pack/markdown)

lua/astrocommunity/pack/mdx/init.lua

@@ -0,0 +1,33 @@
+return {
+  { import = "astrocommunity.pack.markdown" },
+  {
+    "AstroNvim/astrocore",
+    ---@type AstroCoreOpts
+    opts = { filetypes = { extension = {
+      mdx = "markdown.mdx",
+    } } },
+  },
+  {
+    "williamboman/mason-lspconfig.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, { "mdx_analyzer" })
+    end,
+  },
+  {
+    "WhoIsSethDaniel/mason-tool-installer.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, { "mdx-analyzer" })
+    end,
+  },
+  {
+    "stevearc/conform.nvim",
+    optional = true,
+    opts = {
+      formatters_by_ft = {
+        ["markdown.mdx"] = { "prettierd", "prettier", stop_after_first = true },
+      },
+    },
+  },
+}