refactor: sdk for consensus algorithm

custom-plugin/build.gradle

@@ -0,0 +1,25 @@
+plugins {
+    id 'java'
+}
+
+repositories {
+    mavenCentral()
+}
+
+dependencies {
+    implementation project(":consistency-sdk")
+
+    testImplementation 'junit:junit:4.13.2'
+}
+
+jar {
+    String libs = ''
+    configurations.runtimeClasspath.each {
+        libs = libs + " libs/" + it.name
+    }
+
+    manifest {
+        attributes 'Manifest-Version': archiveVersion
+        attributes 'Class-Path': libs
+    }
+}