feat: add r/borderlands4 and r/wonderlands to @r_vault_hunters

[chtk]

PR Details

Subreddit

r/borderlands4 & r/wonderlands

Telegram Channel

r_vault_hunters

Checklist

• [x] Added channels/%submodule_name%/app.py file.
• [x] Added channels/%submodule_name%/__init__.py file.
• [x] Added channels/%submodule_name%/tags.txt file.
• [x] Updated own.cron.
• [x] Already have nice channel's profile pic.
• [x] Already have mentioned @r_channels and @reddit2telegram in the description of your channel.
• [x] @reddit2telegram_bot added as admin to this channel.

• %submodule_name% should be in lowercase.
• Tags in tags.txt should be space-separeted and start with # each.