fix: project pom and buildscript

Author: itsdebs

.buildscript/bootstrap.sh

@@ -18,6 +18,11 @@
             <groupId>com.squareup.retrofit2</groupId>
             <artifactId>retrofit</artifactId>
         </dependency>
+        <dependency>
+            <groupId>javax.annotation</groupId>
+            <artifactId>javax.annotation-api</artifactId>
+            <version>1.3.2</version>
+        </dependency>
         <dependency>
             <groupId>com.squareup.okio</groupId>
             <artifactId>okio</artifactId>