Refactor media upload

Use Upload Media logic from Pleroma

Backend changes for picture upload

Move AS <-> Model conversion to separate module

Front changes

Downgrade apollo-client: https://github.com/Akryum/vue-apollo/issues/577

Signed-off-by: Thomas Citharel <tcit@tcit.fr>

.graphqlconfig.yaml

@@ -4,5 +4,5 @@ projects:
     extensions:
       endpoints:
         dev:
-          url: 'http://localhost:4001/api'
+          url: 'http://localhost:4000/api'
           introspect: true