🎉 sitemap 및 robots 추가 (#156)

src/app/robots.ts

@@ -0,0 +1,13 @@
+import type { MetadataRoute } from 'next'
+import { Environment } from '@/config/environment'
+
+export default function robots(): MetadataRoute.Robots {
+  return {
+    rules: {
+      userAgent: '*',
+      allow: '/',
+    },
+    sitemap: `${Environment.currentAddress()}/sitemap.xml`,
+    host: Environment.currentAddress(),
+  }
+}

src/app/sitemap.ts

@@ -0,0 +1,12 @@
+import type { MetadataRoute } from 'next'
+import AppPath from '@/config/appPath'
+import { Environment } from '@/config/environment'
+
+export default function sitemap(): MetadataRoute.Sitemap {
+  const routes = Object.values(AppPath).map((route) => ({
+    url: `${Environment.currentAddress()}${route('' as never)}`,
+    lastModified: new Date().toISOString().split('T')[0],
+  }))
+
+  return [...routes]
+}

src/types/metadata-interface.d.ts

@@ -0,0 +1,31 @@
+type Robots = {
+  rules:
+    | {
+        userAgent?: string | string[]
+        allow?: string | string[]
+        disallow?: string | string[]
+        crawlDelay?: number
+      }
+    | Array<{
+        userAgent: string | string[]
+        allow?: string | string[]
+        disallow?: string | string[]
+        crawlDelay?: number
+      }>
+  sitemap?: string | string[]
+  host?: string
+}
+
+type Sitemap = Array<{
+  url: string
+  lastModified?: string | Date
+  changeFrequency?:
+    | 'always'
+    | 'hourly'
+    | 'daily'
+    | 'weekly'
+    | 'monthly'
+    | 'yearly'
+    | 'never'
+  priority?: number
+}>