init(): Initialize project with basic configuration files

.prettierrc.js

@@ -0,0 +1,23 @@
+/** @type {import("@types/prettier").Options} */
+export default {
+	printWidth: 100,
+	semi: true,
+	singleQuote: false,
+	tabWidth: 2,
+	useTabs: true,
+	plugins: ["prettier-plugin-astro", "prettier-plugin-tailwindcss" /* Must come last */],
+	overrides: [
+		{
+			files: "**/*.astro",
+			options: {
+				parser: "astro",
+			},
+		},
+		{
+			files: ["*.mdx", "*.md"],
+			options: {
+				printWidth: 80,
+			},
+		},
+	],
+};