Add shield-plus icon

icons/shield-plus.json

@@ -0,0 +1,55 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "danielbayley"
+  ],
+  "tags": [
+    "cybersecurity",
+    "secure",
+    "safety",
+    "protection",
+    "guardian",
+    "armored",
+    "armoured",
+    "defense",
+    "defence",
+    "defender",
+    "block",
+    "threat",
+    "prevention",
+    "antivirus",
+    "vigilance",
+    "vigilant",
+    "detection",
+    "scan",
+    "strength",
+    "strong",
+    "tough",
+    "invincible",
+    "invincibility",
+    "invulnerable",
+    "undamaged",
+    "extra",
+    "added",
+    "professional",
+    "enterprise",
+    "full",
+    "maximum",
+    "upgraded",
+    "ultra",
+    "activate",
+    "enable",
+    "audit",
+    "admin",
+    "verification",
+    "crest",
+    "medic",
+    "+"
+  ],
+  "categories": [
+    "account",
+    "security",
+    "development",
+    "gaming"
+  ]
+}

icons/shield-plus.svg

@@ -0,0 +1,15 @@
+<svg
+  xmlns="http://www.w3.org/2000/svg"
+  width="24"
+  height="24"
+  viewBox="0 0 24 24"
+  fill="none"
+  stroke="currentColor"
+  stroke-width="2"
+  stroke-linecap="round"
+  stroke-linejoin="round"
+>
+  <path d="M12 22s8-4 8-10V5l-8-3-8 3v7c0 6 8 10 8 10" />
+  <path d="M8 11h8" />
+  <path d="M12 15V7" />
+</svg>