[Entity] Brig Timers (#15285)

* brigtimer

* ok

* TextScreen w timer implementation

* second commit

* working brig timer

* signal timers near completion

* soon done

* removed licenses, fixes noRotation on screens, minor edits

* no message

* no message

* removed my last todos

* removed csproj.rej??

* missed a thing with .yml and tests

* fix tests

* Update base_structureairlocks.yml

* timespan type serialize

* activation turned into comp

* sloth review

* Update timer.yml

* small changes

---------

Co-authored-by: CommieFlowers <rasmus.cedergren@hotmail.com>
Co-authored-by: rolfero <45628623+rolfero@users.noreply.github.com>

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

@@ -0,0 +1,140 @@
+{
+  "version": 1,
+  "license": "CC0-1.0",
+  "copyright": "Created by rolfero (github) for Space Station 14",
+  "size": {
+    "x": 4,
+    "y": 6
+  },
+  "states": [
+    {
+      "name": "0"
+    },
+    {
+      "name": "1"
+    },
+    {
+      "name": "2"
+    },
+    {
+      "name": "3"
+    },
+    {
+      "name": "4"
+    },
+    {
+      "name": "5"
+    },
+    {
+      "name": "6"
+    },
+    {
+      "name": "7"
+    },
+    {
+      "name": "8"
+    },
+    {
+      "name": "9"
+    },
+    {
+      "name": "a"
+    },
+    {
+      "name": "b"
+    },
+    {
+      "name": "c"
+    },
+    {
+      "name": "d"
+    },
+    {
+      "name": "e"
+    },
+    {
+      "name": "f"
+    },
+    {
+      "name": "g"
+    },
+    {
+      "name": "h"
+    },
+    {
+      "name": "i"
+    },
+    {
+      "name": "j"
+    },
+    {
+      "name": "k"
+    },
+    {
+      "name": "l"
+    },
+    {
+      "name": "m"
+    },
+    {
+      "name": "n"
+    },
+    {
+      "name": "o"
+    },
+    {
+      "name": "p"
+    },
+    {
+      "name": "q"
+    },
+    {
+      "name": "r"
+    },
+    {
+      "name": "s"
+    },
+    {
+      "name": "t"
+    },
+    {
+      "name": "u"
+    },
+    {
+      "name": "v"
+    },
+    {
+      "name": "w"
+    },
+    {
+      "name": "x"
+    },
+    {
+      "name": "y"
+    },
+    {
+      "name": "z"
+    },
+    {
+      "name": "exclamation"
+    },
+    {
+      "name": "question"
+    },
+    {
+      "name": "star"
+    },
+    {
+      "name": "plus"
+    },
+    {
+      "name": "dash"
+    },
+    {
+      "name": "colon"
+    },
+    {
+      "name": "blank"
+    }
+  ]
+}