Add traffic-lights icon

icons/traffic-lights.json

@@ -0,0 +1,19 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "danielbayley"
+  ],
+  "tags": [
+    "signal",
+    "stop",
+    "go",
+    "red",
+    "green",
+    "amber",
+    "safety",
+    "road"
+  ],
+  "categories": [
+    "transportation"
+  ]
+}

icons/traffic-lights.svg

@@ -0,0 +1,21 @@
+<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="m6.8 7.3.7.7" />
+  <path d="M5 12h1" />
+  <path d="m6.8 16.7.7-.7" />
+  <circle cx="12" cy="4" r="2" />
+  <circle cx="12" cy="12" r="2" />
+  <circle cx="12" cy="20" r="2" />
+  <path d="m16.5 8 .7-.7" />
+  <path d="M18 12h1" />
+  <path d="m16.5 16 .7.7" />
+</svg>