add config.yml-sample

config.yml-sample

@@ -0,0 +1,15 @@
+api_id: 123456 # This has to be an integer. Read more [here](https://core.telegram.org/api/obtaining_api_id)
+api_hash: 'abcdefg' # Long 32 characters hash identifier. Read more [here](https://core.telegram.org/api/obtaining_api_id)
+session_name: 'groupmirror' # # Session name. Only one session (with a unique session name) can run at a time
+
+# The channel names that you'd like to forward messages from.
+# The user running the client must have these channels present on it's dialogs.
+input_channel_names:
+  - 'test1'
+  - 'test2'
+
+# The output channel names that the messages will be forwarded to.
+# The user running the client must have a write access to those channels, and have the channels present on theirs dialogs.
+output_channel_name:
+ - 'test3'
+ - 'test4