shotgun shell clips (#11955)

* shell clips revised by based ghom

* lmao yeet better not forget that bit

* nitpicking but also merge 11976 first

* No freeloaders.

* Update weapon_designs.dm

Co-authored-by: Hatterhat <Hatterhat@users.noreply.github.com>
Co-authored-by: Ghom <42542238+Ghommie@users.noreply.github.com>

code/modules/research/designs/weapon_designs.dm

@@ -135,6 +135,15 @@
 //Ammo Shells/
 //////////////
 
+/datum/design/shell_clip
+	name = "stripper clip (shotgun shells)"
+	id = "sec_shellclip"
+	build_type = PROTOLATHE
+	materials = list(/datum/material/iron = 5000)
+	build_path = /obj/item/ammo_box/shotgun
+	category = list("Ammo")
+	departmental_flags = DEPARTMENTAL_FLAG_SECURITY
+
 /datum/design/beanbag_slug/sec
 	id = "sec_beanbag"
 	build_type = PROTOLATHE
@@ -166,7 +175,7 @@
 	departmental_flags = DEPARTMENTAL_FLAG_SECURITY
 
 /datum/design/incendiary_slug/sec
-	id = "sec_Islug"
+	id = "sec_islug"
 	build_type = PROTOLATHE
 	category = list("Ammo")
 	departmental_flags = DEPARTMENTAL_FLAG_SECURITY

code/modules/research/techweb/all_nodes.dm

@@ -10,7 +10,7 @@
 	// Default research tech, prevents bricking
 	design_ids = list("basic_matter_bin", "basic_cell", "basic_scanning", "basic_capacitor", "basic_micro_laser", "micro_mani", "desttagger", "handlabel", "packagewrap",
 	"destructive_analyzer", "circuit_imprinter", "experimentor", "rdconsole", "design_disk", "tech_disk", "rdserver", "rdservercontrol", "mechfab",
-	"space_heater", "beaker", "large_beaker", "bucket", "xlarge_beaker", "sec_beanbag", "sec_rshot", "sec_bshot", "sec_slug", "sec_Islug", "sec_dart", "sec_38", "sec_38lethal",
+	"space_heater", "beaker", "large_beaker", "bucket", "xlarge_beaker", "sec_shellclip", "sec_beanbag", "sec_rshot", "sec_bshot", "sec_slug", "sec_islug", "sec_dart", "sec_38", "sec_38lethal",
 	"rglass","plasteel","plastitanium","plasmaglass","plasmareinforcedglass","titaniumglass","plastitaniumglass")
 
 /datum/techweb_node/mmi