Added s487197-dataset-stats jenkinsfile and shell script

Jenkinsfile2

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+node {
+    stage('copyArtifact') {
+        copyArtifacts fingerprintArtifacts: true, projectName: 's487197-create-dataset', selector: lastSuccessful()
+    }
+    stage('Shell Script') {
+         sh 'chmod u+x ./stats.sh'
+		 sh './stats.sh'
+    }
+    stage('archiveArtifacts') {
+        archiveArtifacts artifacts: 'stats.txt'
+    }
+}

stats.sh

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+wc -l BPD_Part_1_Victim_Based_Crime_Data.csv > stats.txt