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/enums/chat_type.yml

@@ -0,0 +1,6 @@
+name: ChatType
+description: "Type of chat"
+parse:
+  entity: Chat
+  attribute: type
+  regexp: "'([a-z]+)'"

.butcher/enums/content_type.yml

@@ -0,0 +1,32 @@
+name: ContentType
+description: "Message content type"
+static:
+  UNKNOWN: unknown
+  ANY: any
+extract:
+  entity: Message
+  exclude:
+    - message_id
+    - message_thread_id
+    - from
+    - sender_chat
+    - date
+    - chat
+    - forward_from
+    - forward_from_chat
+    - forward_from_message_id
+    - forward_signature
+    - forward_sender_name
+    - forward_date
+    - is_topic_message
+    - is_automatic_forward
+    - via_bot
+    - edit_date
+    - has_protected_content
+    - media_group_id
+    - author_signature
+    - reply_markup
+    - entities
+    - caption
+    - caption_entities
+    - reply_to_message

.butcher/enums/dice.yml

@@ -0,0 +1,9 @@
+name: DiceEmoji
+description: "Emoji on which the dice throw animation is based"
+static:
+  DICE: 🎲
+  DART: 🎯
+  BASKETBALL: 🏀
+  FOOTBALL: ⚽
+  SLOT_MACHINE: 🎰
+  BOWLING: 🎳

.butcher/enums/topic_icon_color.yml

@@ -0,0 +1,13 @@
+name: TopicIconColor
+description: |
+  Color of the topic icon in RGB format.
+
+  Source: https://github.com/telegramdesktop/tdesktop/blob/991fe491c5ae62705d77aa8fdd44a79caf639c45/Telegram/SourceFiles/data/data_forum_topic.cpp#L51-L56
+type: int
+static:
+  BLUE: "0x6FB9F0"
+  YELLOW: "0xFFD67E"
+  VIOLET: "0xCB86DB"
+  GREEN: "0x8EEE98"
+  ROSE: "0xFF93B2"
+  RED: "0xFB6F5F"

.butcher/enums/update_type.yml

@@ -0,0 +1,6 @@
+name: UpdateType
+description: Known update types
+extract:
+  entity: Update
+  exclude:
+    - update_id