Add gradle plugin and fix authenticator

worker-gradle-plugin/build.gradle.kts

@@ -0,0 +1,22 @@
+plugins {
+    kotlin("jvm")
+    id("java-gradle-plugin")
+}
+
+gradlePlugin {
+    website = "https://github.com/RTAkland/kotlin-cloudflare-worker"
+    vcsUrl = "https://github.com/RTAkland/kotlin-cloudflare-worker.git"
+    plugins {
+        create("kotlin-cloudflare-worker") {
+            id = "kotlin-cloudflare-worker"
+            displayName = "kotlin cloudflare worker"
+            description = "Kotlin cloudflare worker gradle plugin"
+            tags = listOf("tool", "tasks")
+            implementationClass = "cn.rtast.cfworker.plugin.KotlinCloudflareWorkerPlugin"
+        }
+    }
+}
+
+dependencies {
+    implementation("org.jetbrains.kotlin:kotlin-gradle-plugin:2.2.21")
+}