feat(pack): Add nginx pack

lua/astrocommunity/pack/nginx/README.md

@@ -0,0 +1,7 @@
+# C# Language Pack
+
+This plugin pack does the following:
+
+- Adds `nginx` Treesitter parsers
+- Adds `nginx-language-server` language server
+- Adds `nginx-config-formatter` formatter

lua/astrocommunity/pack/nginx/init.lua

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+return {
+  {
+    "nvim-treesitter/nvim-treesitter",
+    optional = true,
+    opts = function(_, opts)
+      if opts.ensure_installed ~= "all" then
+        opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed, { "nginx" })
+      end
+    end,
+  },
+  {
+    "williamboman/mason-lspconfig.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed =
+        require("astrocore").list_insert_unique(opts.ensure_installed, { "nginx_language_server" })
+    end,
+  },
+  {
+    "WhoIsSethDaniel/mason-tool-installer.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(
+        opts.ensure_installed,
+        { "nginx-config-formatter", "nginx_language_server" }
+      )
+    end,
+  },
+  {
+    "stevearc/conform.nvim",
+    optional = true,
+    opts = {
+      formatters_by_ft = {
+        nginx = { "nginxfmt" },
+      },
+    },
+  },
+}