add ALMA connector and documentation

README.md

@@ -127,6 +127,8 @@ adex_data_scraper --argfile examples\vo\apertif_dr1_continuum_images_localhost.a
 adex_data_scraper --argfile examples\postgres\ancillary_apertif_inspectionplots_localhost.args
 ```
 
+----
+
 ## How To add new VO collections to ADEX
 This is an example of how to add the ALMA ivoa.obscore collecion to ADEX.
 
@@ -143,7 +145,7 @@ With one small configuration change in the `adex-backend-django` configuration f
 
 This shows the fields that you need to translate with a 'connector' to ADEX. 
 
-![](/docs/topcat-alma.jpg)
+![](/docs/topcat_alma.jpg)
 
 #### argument file
 Create your argument file (also see 'examples' chapter)