doc: Add Bitbucket Server context path configuration

Author: Paulo Ribeiro

docs/configuration/integrations/bitbucket-server.md

@@ -65,6 +65,7 @@ After creating the Bitbucket Server application link, you must configure it on C
        consumerKey: "" # Generated when creating the Bitbucket Server application link
        consumerPublicKey: "" # Generated when creating the Bitbucket Server application link
        consumerPrivateKey: "" # Generated when creating the Bitbucket Server application link
+       contextpath: "" # Context path of your Bitbucket Server, if configured
     ```
 
 3.  Apply the new configuration by performing a Helm upgrade. To do so execute the command [used to install Codacy](../../index.md#helm-upgrade):