Add bolt (settings variant) icon

icons/bolt.json

@@ -0,0 +1,22 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "nut",
+    "screw",
+    "settings",
+    "preferences",
+    "configuration",
+    "controls",
+    "edit",
+    "diy",
+    "fixed",
+    "build",
+    "contruction",
+    "parts"
+  ],
+  "categories": [
+    "account",
+    "tools",
+    "home"
+  ]
+}

icons/bolt.svg

@@ -0,0 +1,14 @@
+<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="M21 16V8a2 2 0 0 0-1-1.73l-7-4a2 2 0 0 0-2 0l-7 4A2 2 0 0 0 3 8v8a2 2 0 0 0 1 1.73l7 4a2 2 0 0 0 2 0l7-4A2 2 0 0 0 21 16z" />
+  <circle cx="12" cy="12" r="4" />
+</svg>