Turned the analytics tracker off by default in the template.

Services/Website/Tests/Library/Cases/Public/Controllers/RootControllerTests.swift

@@ -131,6 +131,42 @@ struct RootControllerTests {
         }
     }
 
+    @Test
+    func `embeds no analytics tracker by default`() async throws {
+        try await app.test(.router) { client in
+            try await client.execute(
+                uri: "/",
+                method: .get
+            ) { response in
+                let body = String(buffer: response.body)
+
+                #expect(!body.contains("data-website-id"))
+                #expect(!body.contains("analytics"))
+            }
+        }
+    }
+
+    @Test
+    func `embeds the analytics tracker when one is configured`() async throws {
+        try await app(
+            analytics: .init(
+                scriptURL: "https://analytics.example.com/script",
+                websiteID: "0000-website-id",
+                domains: "example.com"
+            )
+        ).test(.router) { client in
+            try await client.execute(
+                uri: "/",
+                method: .get
+            ) { response in
+                let body = String(buffer: response.body)
+
+                #expect(body.contains(#"<link rel="preconnect" href="https://analytics.example.com">"#))
+                #expect(body.contains(#"<script defer src="https://analytics.example.com/script" data-website-id="0000-website-id" data-domains="example.com""#))
+            }
+        }
+    }
+
 }
 
 // MARK: - Helpers
@@ -140,11 +176,14 @@ private extension RootControllerTests {
     // MARK: Methods
 
     /// Builds an application whose root controller appends the given version token to the landing
-    /// page's asset URLs.
-    /// - Parameter assetVersion: the version token appended to the page's asset URLs.
+    /// page's asset URLs and embeds the given analytics tracker.
+    /// - Parameters:
+    ///   - assetVersion: the version token appended to the page's asset URLs.
+    ///   - analytics: the analytics tracker the landing page embeds, or `nil` (the default) to omit it.
     /// - Returns: the configured application.
     func app(
-        assetVersion: String?
+        assetVersion: String? = nil,
+        analytics: Analytics? = nil
     ) -> some ApplicationProtocol {
         let router = Router(context: WebsiteRequestContext.self)
 
@@ -153,7 +192,8 @@ private extension RootControllerTests {
         }
 
         router.addRoutes(RootController<WebsiteRequestContext>(
-            assetVersion: assetVersion
+            assetVersion: assetVersion,
+            analytics: analytics
         ).routes)
 
         return Application(router: router)