feat(icons): added trailer icon (#4405)

* Added icons/trailer.svg

* Added icons/trailer.json

* Update trailer.svg

* Apply suggestion from @ericfennis

* Update icons/trailer.svg

* Update trailer.json

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Eric Fennis <eric.fennis@gmail.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

icons/trailer.json

@@ -0,0 +1,25 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "MadsMadsDk",
+    "karsa-mistmere"
+  ],
+  "use-cases": [
+    "Ecommerce (self pick-up options for large items)",
+    "Trailer lending services",
+    "Map markers",
+    "Asset tracking systems in construction"
+  ],
+  "tags": [
+    "tow",
+    "shipping",
+    "delivery",
+    "haulage",
+    "vehicle",
+    "equipment",
+    "freight"
+  ],
+  "categories": [
+    "transportation"
+  ]
+}

icons/trailer.svg

@@ -0,0 +1,18 @@
+<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="M10 11.341V10" />
+  <path d="M14 13v-3" />
+  <path d="M18 17V8a2 2 0 00-2-2H4a2 2 0 00-2 2v7a2 2 0 002 2h2" />
+  <path d="M22 15v1a1 1 0 01-1 1H10" />
+  <path d="M6 11.341V10" />
+  <circle cx="8" cy="17" r="2" />
+</svg>