Makes mail teleporter craftable.

Makes a mail teleporter craftable and only provides the board to the LO's locker.
The point of this PR is to allow courier's to perhaps still be able to keep goin, even if the mail teleporter that was mapped was nuked/destroyed/vanished.
To-do:
Figure out why it gives an error and not make it when you do all steps and screwdriver it.

Resources/Prototypes/Catalog/Fills/Lockers/heads.yml

@@ -21,6 +21,7 @@
       - id: BoxPDACargo # Delta-V
       - id: QuartermasterIDCard # Delta-V
       - id: ClothingShoesBootsWinterLogisticsOfficer #Delta V: Add departmental winter boots
+      - id: MailTeleporterMachineCircuitboard # Delta V: Craftable mail teleporter.
 
 - type: entity
   id: LockerCaptainFilledHardsuit

Resources/Prototypes/Nyanotrasen/Entities/Objects/Devices/CircuitBoards/production.yml

@@ -44,3 +44,22 @@
     - type: ReverseEngineering
       recipes:
         - DeepFryerMachineCircuitboard
+
+- type: entity
+  id: MailTeleporterMachineCircuitboard
+  parent: BaseMachineCircuitboard
+  name: mail teleporter machine board
+  components:
+    - type: Sprite
+      state: supply
+    - type: MachineBoard
+      prototype: MailTeleporter
+      requirements:
+        Capacitor: 1
+        MatterBin: 1
+      materialRequirements:
+        Steel: 4
+        Cable: 4
+    - type: ReverseEngineering
+      recipes:
+        - MailTeleporterMachineCircuitboard

Resources/Prototypes/Nyanotrasen/Entities/Structures/Machines/mailTeleporter.yml

@@ -56,3 +56,5 @@
           True: {visible: true}
           False: {visible: false}
   - type: PowerSwitch
+  - type: Machine
+    board: MailTeleporterMachineCircuitboard