Four 'new' signs (#20792)

* 4 signs from tg

* based photoshop user, janitor sign

* forgot the hub in 'github'

Resources/Textures/Structures/Wallmounts/signs.rsi/meta.json

@@ -5,7 +5,7 @@
     "y": 32
   },
   "license": "CC-BY-SA-3.0",
-  "copyright": "Taken from https://github.com/discordia-space/CEV-Eris at commit 4e0bbe682d0a00192d24708fdb7031008aa03f18 and bee station at commit https://github.com/BeeStation/BeeStation-Hornet/commit/13dd5ac712385642574138f6d7b30eea7c2fab9c, except numerical signs which were created by discord: brainfood#7460, states: 'survival' and 'ntmining' from https://github.com/tgstation/tgstation/commit/f743754ec3ef446c8172388431effa73aeddb7ff#diff-b429dd7fccbca60d740d4887c1077a178abf1efffe57e7ae2a0b607c8a9e2202",
+  "copyright": "Taken from https://github.com/discordia-space/CEV-Eris at commit 4e0bbe682d0a00192d24708fdb7031008aa03f18 and bee station at commit https://github.com/BeeStation/BeeStation-Hornet/commit/13dd5ac712385642574138f6d7b30eea7c2fab9c, except numerical signs which were created by discord: brainfood#7460, states: 'survival' and 'ntmining' from https://github.com/tgstation/tgstation/commit/f743754ec3ef446c8172388431effa73aeddb7ff#diff-b429dd7fccbca60d740d4887c1077a178abf1efffe57e7ae2a0b607c8a9e2202, 'janitor' edited by forgotmyotheraccount on github",
     "states": [
         {
             "name": "ai",
@@ -250,6 +250,14 @@
                 ]
             ]
         },
+        {
+            "name": "court",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
         {
             "name": "cryogenics",
             "delays": [
@@ -806,6 +814,14 @@
                 ]
             ]
         },
+        {
+            "name": "janitor",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
         {
             "name": "laser",
             "delays": [
@@ -814,6 +830,14 @@
                 ]
             ]
         },
+        {
+            "name": "law",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
         {
             "name": "magnetics",
             "delays": [
@@ -926,6 +950,14 @@
                 ]
             ]
         },
+        {
+            "name": "psychology",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
         {
             "name": "radiation",
             "delays": [