Major-ish™ armor rebalance, adds basic security armor and removes Kevlar armor (#17825)

* adds basic armor vest & changes sec backpack sprites to tg

* el armor de dode

* abcd

* el fixe

* boner balls

* armor rebalance

* dode

Resources/Textures/Clothing/OuterClothing/Armor/security.rsi/meta.json

@@ -0,0 +1,26 @@
+{
+  "version": 1,
+  "license": "CC-BY-SA-3.0",
+  "copyright": "Taken from tgstation at commit https://github.com/tgstation/tgstation/commit/4f6190e2895e09116663ef282d3ce1d8b35c032e",
+  "size": {
+    "x": 32,
+    "y": 32
+  },
+  "states": [
+    {
+      "name": "icon"
+    },
+    {
+      "name": "equipped-OUTERCLOTHING",
+      "directions": 4
+    },
+    {
+      "name": "inhand-left",
+      "directions": 4
+    },
+    {
+      "name": "inhand-right",
+      "directions": 4
+    }
+  ]
+}