Adds a buncha robot sprites. (#3585)

* Adds a buncha robot sprites.

* Adds a changelog for the robot sprites.

* i missed a comma :(

* at least im not the only failure

* fixes inconsistent NOBLE arms

code/modules/mob/living/silicon/robot/robot_modules.dm

@@ -513,6 +513,7 @@ var/global/list/robot_modules = list(
 	channels = list("Service" = 1)
 	sprites = list(
 					"M-USE NanoTrasen" = "robotJani",
+					"Arachne" = "crawler",
 					"Cabeiri" = "eyebot-janitor",
 					"CUPCAKE" = "Noble-CLN",
 					"Haruka" = "marinaJN",
@@ -564,6 +565,7 @@ var/global/list/robot_modules = list(
 					"Cabeiri" = "eyebot-standard",
 					"CUPCAKE" = "Noble-SRV",
 					"Haruka" = "marinaSV",
+					"Michiru" = "maidbot",
 					"Usagi" = "tallgreen",
 					"Telemachus" = "toiletbot",
 					"WTOperator" = "sleekservice",
@@ -688,6 +690,7 @@ var/global/list/robot_modules = list(
 					"L'Ouef" = "peaceborg",
 					"Cabeiri" = "eyebot-science",
 					"Haruka" = "marinaSCI",
+					"WTDove" = "whitespider",
 					"WTOperator" = "sleekscience",
 					"Droid" = "droid-science",
 					"Drone" = "drone-science"