fix telegram active (#78)

* added basic recap feature (no error handling)

* introduced abstractpublication

* extracted base reports

* added error report to recap

* added test

* added docs

* implemented publisher and formatter

* fixed API for recap

* removed redundant config validation

* added config sample

* added active publisher test

tests/config/test_publishers.py

@@ -0,0 +1,18 @@
+from mobilizon_reshare.config.config import get_settings
+from mobilizon_reshare.config.publishers import publisher_name_to_validators
+from mobilizon_reshare.publishers import get_active_publishers
+import pytest
+
+
+@pytest.mark.parametrize(
+    "active_publishers", [["telegram"], ["zulip"], ["telegram", "zulip"]]
+)
+def test_active_publishers(active_publishers):
+
+    for publisher in publisher_name_to_validators:
+        # if the publisher is in the active_publisher param, I set it to True, otherwise False
+        get_settings().update(
+            {f"publisher.{publisher}.active": (publisher in active_publishers)}
+        )
+    publishers = list(get_active_publishers())
+    assert publishers == active_publishers