feat(pack): add prettier pack

lua/astrocommunity/pack/prettier/README.md

@@ -0,0 +1,11 @@
+# Prettier
+
+[Prettier](https://prettier.io/) is an opinionated code formatter with support for:
+
+JavaScript · TypeScript · Flow · JSX · JSON
+CSS · SCSS · Less
+HTML · Vue · Angular
+GraphQL · Markdown · YAML
+[Your favorite language?](https://prettier.io/docs/plugins)
+
+It enforces a consistent style by parsing your code and re-printing it with its own rules that take the maximum line length into account, wrapping code when necessary.

lua/astrocommunity/pack/prettier/init.lua

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+---@type LazySpec
+return {
+  {
+    "jay-babu/mason-null-ls.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed or {}, { "prettierd" })
+    end,
+  },
+  {
+    "stevearc/conform.nvim",
+    optional = true,
+    opts = function(_, opts)
+      if not opts.formatters_by_ft then opts.formatters_by_ft = {} end
+      for _, filetype in ipairs {
+        "javascript",
+        "javascriptreact",
+        "typescript",
+        "typescriptreact",
+        "vue",
+        "css",
+        "scss",
+        "less",
+        "html",
+        "json",
+        "jsonc",
+        "yaml",
+        "markdown",
+        "markdown.mdx",
+        "graphql",
+        "handlebars",
+        "svelte",
+        "astro",
+        "htmlangular",
+      } do
+        opts.formatters_by_ft[filetype] = { "prettierd" }
+      end
+    end,
+  },
+  {
+    "WhoIsSethDaniel/mason-tool-installer.nvim",
+    optional = true,
+    opts = function(_, opts)
+      opts.ensure_installed = require("astrocore").list_insert_unique(opts.ensure_installed or {}, { "prettierd" })
+    end,
+  },
+  {
+    "echasnovski/mini.icons",
+    optional = true,
+    opts = function(_, opts)
+      if not opts.file then opts.file = {} end
+      for _, filename in ipairs {
+        ".prettierrc",
+        ".prettierrc.cjs",
+        ".prettierrc.cts",
+        ".prettierrc.js",
+        ".prettierrc.json",
+        ".prettierrc.json5",
+        ".prettierrc.mjs",
+        ".prettierrc.mts",
+        ".prettierrc.toml",
+        ".prettierrc.ts",
+        ".prettierrc.yaml",
+        ".prettierrc.yml",
+        "prettier.config.cjs",
+        "prettier.config.js",
+        "prettier.config.mjs",
+        "prettier.config.mts",
+        "prettier.config.ts",
+      } do
+        opts.file[filename] = { glyph = "", hl = "MiniIconsPurple" }
+      end
+    end,
+  },
+}