Add backend implementation of enrichment api

Change-Id: Ie85c2719dffafc96ad003c594d52a4411823b777
Issue-ID: NONRTRIC-295
Signed-off-by: RehanRaza <muhammad.rehan.raza@est.tech>
diff --git a/webapp-backend/pom.xml b/webapp-backend/pom.xml
index e701624..95de721 100644
--- a/webapp-backend/pom.xml
+++ b/webapp-backend/pom.xml
@@ -40,6 +40,7 @@
         <spotless-maven-plugin.version>1.18.0</spotless-maven-plugin.version>
         <jacoco-maven-plugin.version>0.8.5</jacoco-maven-plugin.version>
         <docker-maven-plugin.version>0.33.0</docker-maven-plugin.version>
+        <json.version>20190722</json.version>
         <!-- Set by Jenkins -->
         <build.number>0</build.number>
     </properties>
@@ -152,6 +153,11 @@
             <artifactId>gson</artifactId>
             <version>${immutable.version}</version>
         </dependency>
+        <dependency>
+            <groupId>org.json</groupId>
+            <artifactId>json</artifactId>
+            <version>${json.version}</version>
+        </dependency>
         <!-- Test dependencies -->
         <!-- Mockito supports development, not just testing -->
         <dependency>