Migrate gradle to kts (#22)

* Migrate gradle to kts

- update kotlin to 1.5.30
- add apple native targets

* Add .circleci/config.yml (#23)

* Bump ci xcode version

.circleci/config.yml

@@ -30,7 +30,7 @@ jobs:
           command: sudo apt update && sudo apt install -y libtinfo5
       - run:
           name: Run Tests
-          command: ./gradlew test
+          command: ./gradlew check
       - gradle/collect_test_results:
           test_results_path: build/test-results
           reports_path: build/reports
@@ -50,7 +50,7 @@ jobs:
             ".circleci/config.yml" }}-linux
   build-macos:
     macos:
-      xcode: "11.7.0"
+      xcode: "13.0.0"
     <<: *defaults
     steps:
       - checkout
@@ -63,12 +63,12 @@ jobs:
             ".circleci/config.yml" }}-macos
       - run:
           name: Run Tests
-          command: ./gradlew macosTest iosX64Test
+          command: ./gradlew nativeTest
       - deploy:
           command: |
             if [ "${CIRCLE_BRANCH}" == "main" ]; then
               echo "$MAVEN_CENTRAL_SEC_RING" | base64 -D -o $HOME/secring.gpg
-              ./gradlew publishIosArm64PublicationToMavenRepository publishIosX64PublicationToMavenRepository publishIosX64PublicationToMavenRepository publishMacosPublicationToMavenRepository -Psonatype.username="$SONATYPE_USERNAME" -Psonatype.password="$SONATYPE_PASSWORD" -Psigning.keyId=0E7A8B89 -Psigning.password="$MAVEN_CENTRAL_KEY_PASSPHRASE" -Psigning.secretKeyRingFile=$HOME/secring.gpg -Porg.gradle.parallel=false
+              ./gradlew publishApple -Psonatype.username="$SONATYPE_USERNAME" -Psonatype.password="$SONATYPE_PASSWORD" -Psigning.keyId=0E7A8B89 -Psigning.password="$MAVEN_CENTRAL_KEY_PASSPHRASE" -Psigning.secretKeyRingFile=$HOME/secring.gpg -Porg.gradle.parallel=false
             fi
       - save_cache:
           paths: