Add config for binary sotrage

src/main/java/ca/uhn/fhir/jpa/starter/HapiProperties.java

@@ -51,6 +51,7 @@ public class HapiProperties {
     static final String ALLOW_CONTAINS_SEARCHES = "allow_contains_searches";
     static final String ALLOW_OVERRIDE_DEFAULT_SEARCH_PARAMS = "allow_override_default_search_params";
     static final String EMAIL_FROM = "email.from";
+    public static final String BINARY_STORAGE_ENABLED = "binary_storage.enabled";
 
     private static Properties properties;
 
@@ -165,6 +166,10 @@ public class HapiProperties {
         return FhirVersionEnum.DSTU3;
     }
 
+    public static boolean isBinaryStorageEnabled() {
+        return HapiProperties.getBooleanProperty(BINARY_STORAGE_ENABLED, true);
+    }
+
     public static ETagSupportEnum getEtagSupport() {
         String etagSupportString = HapiProperties.getProperty(ETAG_SUPPORT);