Rename train icon to tram

icons/tram.json

@@ -0,0 +1,20 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "ericfennis",
+    "karsa-mistmere"
+  ],
+  "tags": [
+    "train",
+    "railway",
+    "metro",
+    "subway",
+    "underground",
+    "track",
+    "line",
+    "tourism"
+  ],
+  "categories": [
+    "transportation"
+  ]
+}

icons/tram.svg

@@ -0,0 +1,19 @@
+<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"
+>
+  <rect width="16" height="16" x="4" y="3" rx="2" />
+  <path d="M4 11h16" />
+  <path d="M12 3v8" />
+  <path d="m8 19-2 3" />
+  <path d="m18 22-2-3" />
+  <path d="M8 15h0" />
+  <path d="M16 15h0" />
+</svg>