chore: initial commit of foundryvtt-admin

Spun out of the hbm-books working folder into its own repo. A small
backend+frontend+COBOL admin tool for managing Foundry VTT worlds
(socket inspection, join/shutdown debugging).

frontend/vite.config.ts

@@ -0,0 +1,25 @@
+import { defineConfig } from 'vite';
+import tailwindcss from '@tailwindcss/vite';
+import pug from 'pug';
+
+export default defineConfig({
+  plugins: [
+    tailwindcss(),
+    {
+      name: 'vite-plugin-pug',
+      transform(src, id) {
+        if (id.endsWith('.pug')) {
+          const html = pug.compile(src)();
+          return {
+            code: `export default ${JSON.stringify(html)};`,
+            map: null
+          };
+        }
+      }
+    }
+  ],
+  server: {
+    port: 5173,
+    host: true
+  }
+});