add personalized welcome messages (untested SMILERS)

README.md

@@ -122,6 +122,14 @@ The enable and disable redeem commands have a way to enable/disable all sound al
 
 When running the development database and twitch api application, the redeems will not get created. This is because twitch only allows editing or deleting rewards when the same application created the reward. (fucking stupid)
 
+### Welcome message
+
+Welcome message in the context of this project means 2 things:
+- The message the bot says when it's the first time you're chatting in the channel.
+- The personalized message the bot says when you chat for the first time during a stream.
+
+The personalized message can be set by using the channel point redemption. The message cannot be longer than 200 characters.
+
 ### Chatterbot/streamerbot
 
 This depends on if the `CHATTER_IS_STREAMER` environment variable is set.
@@ -224,6 +232,7 @@ NAME|AMOUNT|USAGE|FUNCTION
 
 NAME|COST|DESCRIPTION|INTERNALNAME
 -|-|-|-
+`Set welcome message`|15000|Set the message the bot will say when you first chat during a stream (character limit is 200)|`setwelcomemsg`
 `FREE MONEY`|1000|Get 100 qbucks|`qbucksredeem`
 `RIPBOZO`|500|Sound: Coffeezilla calls me a conman [(source)](https://www.youtube.com/watch?v=QRvEGn7i-wM)|`sfxripbozo`
 `Welcome to the Madhouse`|100|Sound: mrockstar20 says: "Welcome to the Madhouse"|`sfxmrockmadhouse`