Adding new code-generator (Butcher) (#1069)

* Re-generate types

* Re-generate methods (only attributes)

* Added enums

* Base init generator

* Added butcher configs

* Fixed tests, bump butcher

* Added changelog

* Added enum docs

* Added templates for docs index

* Re-generate bot class, remove deprecated methods

.butcher/templates/types/entity.rst.jinja2

@@ -0,0 +1,9 @@
+{{ object.name|header('#') }}
+{{ object.name }}
+{{ object.name|header('#') }}
+
+
+.. automodule:: aiogram.types.{{ object.name|pythonize_name }}
+    :members:
+    :member-order: bysource
+    :undoc-members: True

.butcher/templates/types/index.rst.jinja2

@@ -0,0 +1,16 @@
+#####
+Types
+#####
+
+Here is list of all available API types:
+
+{% for title, group in groups.items() %}
+{{ title }}
+{{ title|header('=') }}
+
+.. toctree::
+    :maxdepth: 1
+{% for name in group %}
+    {{ name|pythonize_name }}
+{%- endfor %}
+{% endfor %}