add static site generation including robots.txt and sitemap.xml

frontend/vite.config.ts

@@ -18,7 +18,12 @@ import { defineConfig } from "vite";
 import vue from "@vitejs/plugin-vue";
 import { fileURLToPath } from "node:url";
 import resolve from "@rollup/plugin-node-resolve";
+import {resolve as pathResolver} from "path";
 import terser from "@rollup/plugin-terser";
+import ViteSSGOptions from "vite-ssg";
+import generateSitemap from 'vite-ssg-sitemap'
+
+const hostname = "https://cal.htwk-leipzig.de";
 
 // https://vitejs.dev/config/
 export default defineConfig({
@@ -28,8 +33,27 @@ export default defineConfig({
     terser(),
   ],
   resolve: {
-    alias: {
-      "@": fileURLToPath(new URL("./src", import.meta.url)),
+    alias: 
+      {
+        "@": fileURLToPath(new URL("./src", import.meta.url)),
+        'primevue' : pathResolver(__dirname, 'node_modules/primevue'),
+      },
+    extensions: ['.mjs', '.js', '.ts', '.jsx', '.tsx', '.json', '.css', '.scss'],
+  },
+  ssgOptions: {
+    script: "async",
+    formatting: "minify",
+    format: "esm",
+    onFinished: () => {
+      generateSitemap({
+        hostname: hostname,
+        exclude: [
+          '/additional-modules',
+          '/edit-additional-modules',
+          '/edit-calendar',
+          '/rename-modules',
+        ]
+      })
     },
   },
   server: {