Change reaction from tada to goat

[LlmDl]

Since we click the goat when someone wins.

[ggvbo]

I'm thinking of an per-guild config setting, what do you think?
Already in the 1.2-new branch as part of the Guild model, only thing missing is the command migration :)

Pogbot/src/data/models/Guild.ts

Lines 22 to 23 in 41c2c71

	@Column
	reaction?: string;

[LlmDl]

probably a good idea for those who don't use the goat