Add API to get version information (#2309)

sherpa-onnx/kotlin-api/VersionInfo.kt

@@ -0,0 +1,22 @@
+package com.k2fsa.sherpa.onnx
+
+class VersionInfo {
+    companion object {
+        init {
+            System.loadLibrary("sherpa-onnx-jni")
+        }
+
+        val version: String
+            get() = getVersionStr2()
+
+        val gitSha1: String
+            get() = getGitSha12()
+
+        val gitDate: String
+            get() = getGitDate2()
+
+        external fun getVersionStr2(): String
+        external fun getGitSha12(): String
+        external fun getGitDate2(): String
+    }
+}