add drone ci configuration

Author: DMarinhoCodacy

src/main/scala/com/codacy/rules/commituuid/providers/DroneCIProvider.scala

@@ -0,0 +1,16 @@
+package com.codacy.rules.commituuid.providers
+
+import com.codacy.model.configuration.CommitUUID
+import com.codacy.rules.commituuid.CommitUUIDProvider
+
+/* Argo CD Provider */
+object DroneCIProvider extends CommitUUIDProvider {
+  val name: String = "Drone CI"
+
+  override def validateEnvironment(environment: Map[String, String]): Boolean = {
+    environment.get("CI").contains("true") && environment.get("DRONE").contains("true")
+  }
+
+  override def getValidCommitUUID(environment: Map[String, String]): Either[String, CommitUUID] =
+    parseEnvironmentVariable(environment.get("DRONE_COMMIT") orElse environment.get("DRONE_COMMIT_SHA"))
+}