[ADD] Tag latest

Also fixes the reference to the Dockerfile

library/odoo

@@ -1,4 +1,5 @@
 # maintainer: Aaron Bohy <[email protected]> (@aab-odoo)
 
-8.0: git://github.com/odoo/docker@2aae53084d32aaf44d3630e2a09d685bf971d81c 8.0
-8: git://github.com/odoo/docker@2aae53084d32aaf44d3630e2a09d685bf971d81c 8.0
+8.0: git://github.com/odoo/docker@0c90527ef908add1f125406a81519f9626d982d3 8.0
+8: git://github.com/odoo/docker@0c90527ef908add1f125406a81519f9626d982d3 8.0
+latest: git://github.com/odoo/docker@0c90527ef908add1f125406a81519f9626d982d3 8.0