add SplunkBase app link

Author: hansenmc

README.md

@@ -9,13 +9,11 @@ MarkLogic Monitoring for Splunk provides configurations and pre-built dashboards
 ## Installation
 
 Install this app the same way you would install any Splunk app:
-<!-- 
-- Automatically from [SplunkBase](https://splunkbase.splunk.com/app/XXXX) 
+
+- Automatically from [SplunkBase](https://splunkbase.splunk.com/app/4312/) 
 through *Browse more apps* 
--->
 - Manually: download the *marklogic.spl* file and install it in your Splunk instance
 
-
 ## Configuration
 
 The MarkLogic Monitoring app has *source* and *sourcetype* configurations with field extractions for the MarkLogic Error, Access, and Audit logs.