Add JitPack repository for BlurView dependency

The BlurView library is hosted on JitPack, not Maven Central.
Adding the JitPack repository to resolve the missing dependency.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

settings.gradle.kts

@@ -11,6 +11,7 @@ dependencyResolutionManagement {
     repositories {
         google()
         mavenCentral()
+        maven { url = uri("https://jitpack.io") }
     }
 }