Added Jenkins file

Jenkinsfile

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+pipeline {
+    agent any
+
+    stages {
+        stage('Rust Testing') {
+            steps {
+                sh "cargo test"
+            }
+        }
+        stage('Linux Build') {
+            steps {
+                sh "cargo build --release"
+            }
+        }
+	stage('Integration Testing') {
+	    steps {
+                sh "pipenv install"
+                sh "pipenv run pytest"
+            }
+	}
+        stage('Archiving') {
+            steps {
+                archiveArtifacts artifacts: 'target/release/morethantext_web', fingerprint: true
+            }
+        }
+    }
+}