feat: Update platform ETLs to include document links

[amindadgar]

The platforms that their node metadata needs to be updated to fill with url values are

• Discord
• Discourse
• GitHub commits: Update html_url to be just url in metadata names
• Telegram
• Google
• Notion

The hivemind ETLs should be updated and the way to include the URL values for each platform are

• discord https://discord.com/channels/guild_id/thread_id/message_id
• discourse https://forum_endpoint/t/topic_id/post_number
• GitHub commits: Update html_url to be just url in metadata names
• Telegram
  • private groups https://t.me/c/{chat_id}/{message_id}
  • {chat_id} is derived from the group's unique identifier. For private groups, it is the group ID without the -100 prefix.
• Google file id https://drive.google.com/file/d/{FILE_ID}/view
• Notion https://www.notion.so/{Page-ID}