Some signs I need for mapping pls merge (#10671)

Resources/Prototypes/Entities/Structures/Wallmounts/Signs/metamap.yml

@@ -0,0 +1,9 @@
+- type: entity
+  parent: PosterBase
+  id: PosterMapMetaRight
+  name: "Meta Station Map"
+  description: "A map of Meta Station. This looks really old."
+  components:
+  - type: Sprite
+    state: metamap64x
+    sprite: Structures/Wallmounts/metamap.rsi

Resources/Prototypes/Entities/Structures/Wallmounts/Signs/signs.yml

@@ -1094,3 +1094,75 @@
   components:
   - type: Sprite
     state: something-old2
+
+- type: entity
+  parent: BaseSign
+  id: SignSecurity
+  name: security sign
+  description: A sign depicting the security insignia.
+  components:
+  - type: Sprite
+    state: security
+
+- type: entity
+  parent: BaseSign
+  id: SignPlaque
+  name: golden plaque
+  description: A prestigious golden plaque.
+  components:
+  - type: Sprite
+    state: goldenplaque
+
+- type: entity
+  parent: BaseSign
+  id: SignKiddiePlaque
+  name: kiddie plaque
+  description: A modest plaque.
+  components:
+  - type: Sprite
+    state: kiddieplaque
+
+- type: entity
+  parent: BaseSign
+  id: SignNanotrasen1
+  name: nanotrasen sign 1
+  description: Part 1.
+  components:
+  - type: Sprite
+    state: nanotrasen_sign1
+
+- type: entity
+  parent: BaseSign
+  id: SignNanotrasen2
+  name: nanotrasen sign 2
+  description: Part 2.
+  components:
+  - type: Sprite
+    state: nanotrasen_sign2
+
+- type: entity
+  parent: BaseSign
+  id: SignNanotrasen3
+  name: nanotrasen sign 3
+  description: Part 3.
+  components:
+  - type: Sprite
+    state: nanotrasen_sign3
+
+- type: entity
+  parent: BaseSign
+  id: SignNanotrasen4
+  name: nanotrasen sign 4
+  description: Part 4.
+  components:
+  - type: Sprite
+    state: nanotrasen_sign4
+
+- type: entity
+  parent: BaseSign
+  id: SignNanotrasen5
+  name: nanotrasen sign 5
+  description: Part 5.
+  components:
+  - type: Sprite
+    state: nanotrasen_sign5

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

@@ -0,0 +1,12 @@
+{
+    "version": 1,
+    "license": "CC-BY-SA-3.0",
+    "copyright": "taken from Cit Git at commit https://github.com/Citadel-Station-13/Citadel-Station-13/commit/5138d86655131bf8d60c0fec3f826c7c67997cb0",
+    "size": {
+        "x": 64,
+        "y": 32
+    },
+    "states": [
+        { "name": "metamap64x" }
+    ]
+}

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

@@ -1203,6 +1203,70 @@
                 ]
             ]
         },
+        {
+            "name": "goldenplaque",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "kiddieplaque",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "security",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "nanotrasen_sign1",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "nanotrasen_sign2",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "nanotrasen_sign3",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "nanotrasen_sign4",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
+        {
+            "name": "nanotrasen_sign5",
+            "delays": [
+                [
+                    1
+                ]
+            ]
+        },
         {
             "name": "atmominsky",
             "delays": [