feat: Add Kotlin SDK Gradle build configuration with Ktor client and coroutines dependencies

- Add build.gradle.kts with kotlin("jvm") 1.9.10 and kotlin("plugin.serialization") 1.9.10 plugins
- Add group com.telecom version 1.0.0 with maven-publish plugin
- Add kotlinx-coroutines-core 1.7.3 and kotlinx-serialization-json 1.6.0 dependencies
- Add Ktor client dependencies: ktor-client-core, ktor-client-cio, ktor-client-content-negotiation, ktor-serialization-kotlinx-json, ktor-client-websockets all

sdk/kotlin/build.gradle.kts

@@ -0,0 +1,41 @@
+plugins {
+    kotlin("jvm") version "1.9.10"
+    kotlin("plugin.serialization") version "1.9.10"
+    id("maven-publish")
+}
+
+group = "com.telecom"
+version = "1.0.0"
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation("org.jetbrains.kotlinx:kotlinx-coroutines-core:1.7.3")
+    implementation("org.jetbrains.kotlinx:kotlinx-serialization-json:1.6.0")
+    implementation("io.ktor:ktor-client-core:2.3.4")
+    implementation("io.ktor:ktor-client-cio:2.3.4")
+    implementation("io.ktor:ktor-client-content-negotiation:2.3.4")
+    implementation("io.ktor:ktor-serialization-kotlinx-json:2.3.4")
+    implementation("io.ktor:ktor-client-websockets:2.3.4")
+    
+    testImplementation("org.jetbrains.kotlin:kotlin-test")
+    testImplementation("io.ktor:ktor-client-mock:2.3.4")
+}
+
+kotlin {
+    jvmToolchain(17)
+}
+
+tasks.test {
+    useJUnitPlatform()
+}
+
+publishing {
+    publications {
+        create<MavenPublication>("maven") {
+            from(components["java"])
+        }
+    }
+}