Portals & hand teleporter (#13266)

* basic system with portals & linked ents

* hand tele sprites, no impl

* hand tele and teleportation works

* fancy it up

* oog

* special case projectiles

* predict portal-to-portal teleportation

* this stuff

* check nullspace

* sloth

* give to rd instead

* i guess this can probably happen

* docs

Resources/Textures/Effects/portal.rsi/meta.json

@@ -8,7 +8,7 @@
     "copyright": "https://github.com/discordia-space/CEV-Eris/raw/237d8f7894617007d75c71d5d9feb4354c78debd/icons/obj/stationobjs.dmi",
     "states": [
         {
-            "name": "portal-pending",
+            "name": "portal-blue",
             "delays": [[
                 0.1,
                 0.1,
@@ -27,7 +27,26 @@
             ]]
         },
         {
-            "name": "portal-unconnected",
+            "name": "portal-red",
+            "delays": [[
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1,
+                0.1
+            ]]
+        },
+        {
+            "name": "portal",
             "delays": [[
                 0.1,
                 0.1,
@@ -46,4 +65,4 @@
             ]]
         }
     ]
-}
+}