Added the icons/train.svg file added the relevant tags in tags.json (#639)

icons/train.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"
+>
+	<rect x="4" y="3" width="16" height="16" rx="2"/>
+	<path d="M4 11h16M12 3v8"/>
+	<path d="M8 15h.01M16 15h.01M8 19l-2 3M18 22l-2-3"/>
+</svg>

tags.json

@@ -2571,6 +2571,12 @@
     "storm",
     "hurricane"
   ],
+  "train": [
+    "transport",
+    "metro",
+    "subway",
+    "underground"
+  ],
   "trash": [
     "garbage",
     "delete",