Migration to Astro

.nvmrc

@@ -1 +1 @@
-v20.18.0
+v22.22

.prettierrc

@@ -6,5 +6,8 @@
   "bracketSpacing": true,
   "bracketSameLine": false,
   "arrowParens": "always",
-  "endOfLine": "auto"
-}
+  "endOfLine": "auto",
+  "plugins": [
+    "prettier-plugin-astro"
+  ]
+}

astro.config.mjs

@@ -0,0 +1,51 @@
+import { defineConfig } from "astro/config";
+import react from "@astrojs/react";
+import Icons from "unplugin-icons/vite";
+import yaml from "@rollup/plugin-yaml";
+import { imagetools } from "vite-imagetools";
+
+import sitemap from "@astrojs/sitemap";
+
+const defaultStyle =
+  "height: 1em; vertical-align: -.125em; baseline-shift: -2.5px; overflow: visible";
+
+export default defineConfig({
+  integrations: [react(), sitemap()],
+  vite: {
+    plugins: [
+      Icons({
+        compiler: "jsx",
+        jsx: "react",
+        defaultStyle,
+      }),
+      Icons({
+        compiler: "astro",
+        defaultStyle,
+      }),
+      yaml(),
+      imagetools(),
+    ],
+    css: {
+      preprocessorOptions: {
+        scss: {
+          silenceDeprecations: [
+            "import",
+            "mixed-decls",
+            "color-functions",
+            "global-builtin",
+          ],
+        },
+      },
+    },
+  },
+  site: "https://linuxdaymilano.org",
+  redirects: {
+    "/2018": "/schedule?year=2018",
+    "/2019": "/schedule?year=2019",
+    "/2022": "/schedule?year=2022",
+    "/2023": "/schedule?year=2023",
+    "/2024": "/schedule?year=2024",
+    "/2025": "/schedule?year=2025",
+    "/2026": "/schedule?year=2026",
+  },
+});