New hairstyle, Gentle Braid! (#5191)

# About the pull request

It adds new hairstyle called Gentle Braid.

# Explain why it's good for the game

I honestly don't like the current braids and we don't have many choices,
so I made new one with Sammy's help.


# Testing Photographs and Procedure
<details>
<summary>Screenshots & Videos</summary>


![newhair](https://github.com/cmss13-devs/cmss13/assets/105026445/9985e2c9-b1dc-4140-8d71-0828d4513a88)

![newhair1](https://github.com/cmss13-devs/cmss13/assets/105026445/33c7dd98-1468-42e5-bf4b-2f339c3f1319)

![newhair2](https://github.com/cmss13-devs/cmss13/assets/105026445/9bc1ea97-7753-4d05-9ccd-845da0f80908)

![newhair3](https://github.com/cmss13-devs/cmss13/assets/105026445/7ac8bfdf-41b2-45d6-b8cd-818f612cbed2)

</details>


# Changelog
:cl:
add: Adds a new braid hairstyle.
/:cl:

code/modules/mob/new_player/sprite_accessories/hair.dm

@@ -755,3 +755,8 @@
 /datum/sprite_accessory/hair/taper
 	name = "Taper"
 	icon_state = "hair_taper"
+
+/datum/sprite_accessory/hair/gentlebraid
+	name = "Gentle Braid"
+	icon_state = "hair_braid3"
+	gender = FEMALE