Adds mint, a new plant that can be processed into menthol (#15383)

* Update medicine.dm

* Update herbals.dm

* Update vending.dm

* added mint seeds

* added mint harvest

* added mint plant

* an attempt to fix the problem

the pr is having trouble with growing.dmi for some reason, i was told to do this

* another empty line for the above reason

* wow okay, be like that then

* no empty lines since you're bickering

* lets see if you like this

* forgot the mint chem in reagents/misc.dm

daily reminder that im a smooth brain

* made it green and distill into menthol

* made it goon

* moving it to the appropriate file

* moved to food.dm since it's a consumable

* clarification of new distilling result for desc

code/modules/reagents/chemistry/reagents/food.dm

@@ -983,3 +983,11 @@
 		update_flags |= M.adjustBruteLoss(-1 * REAGENTS_EFFECT_MULTIPLIER, FALSE)
 		update_flags |= M.adjustFireLoss(-1 * REAGENTS_EFFECT_MULTIPLIER, FALSE)
 	return ..() | update_flags
+
+/datum/reagent/consumable/mint
+	name = "Mint"
+	id = "mint"
+	description = "A light green liquid extracted from mint leaves."
+	reagent_state = LIQUID
+	color = "#A7EE9F"
+	taste_description = "mint"

code/modules/reagents/chemistry/recipes/medicine.dm

@@ -280,3 +280,13 @@
 	result_amount = 3
 	min_temp = T0C + 100
 	mix_message = "The solution gently swirls with a metallic sheen."
+
+/datum/chemical_reaction/menthol
+	name = "Menthol"
+	id = "menthol"
+	result = "menthol"
+	required_reagents = list("mint" = 1, "ethanol" = 1)
+	result_amount = 1
+	mix_sound = 'sound/goonstation/misc/drinkfizz.ogg'
+	min_temp = T0C + 50
+	mix_message = "Large white crystals precipitate out of the mixture."