[RAB-2] adding code to retrieve legacy quotes

adding migration script for legacy quotes
changing docker-compose file to use different container names

tools/quotes-migration/dto.py

@@ -0,0 +1,17 @@
+
+class LegacyQuoteAttachment:
+    message_id = 0
+    file_name = ''
+    url = ''
+    is_image: bool = False
+
+
+class LegacyQuote:
+    id = 0
+    channel_id = 0
+    author_id = 0
+    adder_id = 0
+    creation_time_stamp = None
+    content = ''
+    message_id = 0
+    attachments = None