Add docs for Dispatcher

docs2/api/methods/get_updates.rst

@@ -0,0 +1,55 @@
+##########
+getUpdates
+##########
+
+Use this method to receive incoming updates using long polling (wiki). An Array of Update objects is returned.
+
+Notes
+
+1. This method will not work if an outgoing webhook is set up.
+
+2. In order to avoid getting duplicate updates, recalculate offset after each server response.
+
+Returns: :obj:`List[Update]`
+
+.. automodule:: aiogram.api.methods.get_updates
+    :members:
+    :member-order: bysource
+    :special-members: __init__
+    :undoc-members: True
+
+
+Usage
+=====
+
+As bot method
+-------------
+
+.. code-block::
+
+    result: List[Update] = await bot.get_updates(...)
+
+
+Method as object
+----------------
+
+Imports:
+
+- :code:`from aiogram.methods import GetUpdates`
+- :code:`from aiogram.api.methods import GetUpdates`
+- :code:`from aiogram.api.methods.get_updates import GetUpdates`
+
+In handlers with current bot
+----------------------------
+
+.. code-block::
+
+    result: List[Update] = await GetUpdates(...)
+
+With specific bot
+~~~~~~~~~~~~~~~~~
+
+.. code-block::
+
+    result: List[Update] = await bot(GetUpdates(...))
+