feat: UDF support

* copy code from #67

* remove hacked RowEncoder.scala

* replace all schema(typeOf<R>()) to DataType.fromJson((schema(typeOf<R>()) as DataTypeWithClass).dt().json())

* add return udf data class test

* change test

* add in dataset test for calling the UDF-Wrapper

* add the same exception link

* refactor unWrapper

* add test for udf return a List

* make the test simpler

* add License

* add UDFRegister for 3.0

* remove useless import

* resolved deprecated method

* [experimental] add CatalystTypeConverters.scala for hacked it to implement UDF return data class

* [experimental] implement UDF return data class

* fix code inspection issue

* Adds suppre unused

Co-authored-by: can wang <can.wang@thoughtworks.com>
Co-authored-by: Pasha Finkelshteyn <pavel.finkelshtein@gmail.com>

Author: nonpool

core/3.0/pom_2.12.xml

@@ -18,7 +18,10 @@
       <artifactId>scala-library</artifactId>
       <version>${scala.version}</version>
     </dependency>
-
+    <dependency>
+      <groupId>org.jetbrains.kotlin</groupId>
+      <artifactId>kotlin-reflect</artifactId>
+    </dependency>
     <!-- Provided dependencies -->
     <dependency>
       <groupId>org.apache.spark</groupId>