add okhttp

pom.xml

@@ -51,6 +51,7 @@
 		<tika.version>1.23</tika.version>
 		<groovy.version>3.0.0-rc-2</groovy.version>
 		<minio.version>6.0.11</minio.version>
+		<okhttp.version>3.14.4</okhttp.version>
 
 		<!-- Crawler -->
 		<crawler.version>3.6.0-SNAPSHOT</crawler.version>
@@ -1271,6 +1272,11 @@
 				</exclusion>
 			</exclusions>
 		</dependency>
+		<dependency>
+			<groupId>com.squareup.okhttp3</groupId>
+			<artifactId>okhttp</artifactId>
+			<version>${okhttp.version}</version>
+		</dependency>
 
 		<!-- suggest library -->
 		<dependency>