fix: generate files in dist directory if not otherwise configured

resolves #363

Author: danielroe

src/module.ts

@@ -156,10 +156,22 @@ export default defineNuxtModule<ModuleOptions>({
     )
 
     if (nuxt.options._generate) {
-      nuxt.hook('nitro:config', config => {
+      nuxt.hook('nitro:config', async config => {
         config.prerender ||= {}
         config.prerender.routes ||= []
         config.prerender.routes.push('/200.html')
+
+        config.output ||= {}
+        if (!config.output.publicDir) {
+          const distDir = resolve(nuxt.options.rootDir, 'dist')
+          const stats = await fsp.lstat(distDir).catch(() => null)
+          if (!stats || !stats.isSymbolicLink()) {
+            config.output.publicDir = distDir
+            if (!existsSync(distDir)) {
+              await fsp.mkdir(distDir, { recursive: true })
+            }
+          }
+        }
       })
 
       // Ensure there is an index.html file present when doing static file generation