v2.1.0

• Migrate bot to Railway to prevent crashes
• [Ouija] Add react option - It defaults to true, manually change it to false if desired
• [Word Chain] Add "Set Last Letter" button to /word-chain
• [Counting] Add "Set Last Number" button to /counting
• [Word Chain] Add "Reset Channel" button to /word-chain
• [Chat] Process mentions & links
• [Ouija] Support all emojis
• [Chat] Allow unsettling the response channel
• Disable the bot if config is invalid instead of spamming server owner's DMs
• [Word Chain] Fix casing issues
• [Word Chain] Fix typos in error message
• Reorder config embeds to be more clear
• [Chat; Ouija] Ensure send message permission
• Ignore failed deletions