adds declarative cersion of pushArtifact

vars/declarativeFunctions.groovy

@@ -0,0 +1,20 @@
+#!groovy
+
+def pushArtifact (Map config) {
+    def ws = pwd()
+    stage ("Push Artifact: " + config.fileName) {
+        steps {
+            container ("alpine") {
+                script {
+                    sh "apk add --no-cache curl"
+                    withCredentials([usernameColonPassword(
+                        credentialsId: config.repoCreds,
+                        variable: "aCreds"
+                    )]) {
+                        sh 'curl --fail --request PUT --user "$aCreds" --upload-file "' + config.filePath + config.fileName + '" "' + config.fileURL + config.fileName + '"'
+                    }
+                }
+            }
+        }
+    }
+}