Add generic shapes icon (#1239)

* Add generic `shapes` icon

* Update icons/shapes.svg

Co-authored-by: Karsa <contact@karsa.org>

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Co-authored-by: Karsa <contact@karsa.org>

icons/shapes.json

@@ -0,0 +1,19 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "triangle",
+    "equilateral",
+    "square",
+    "circle",
+    "classification",
+    "different",
+    "collection",
+    "toy",
+    "blocks",
+    "learning"
+  ],
+  "categories": [
+    "shapes",
+    "gaming"
+  ]
+}

icons/shapes.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"
+>
+  <path d="M8.3 10a.7.7 0 0 1-.626-1.079L11.4 3a.7.7 0 0 1 1.198-.043L16.3 8.9a.7.7 0 0 1-.572 1.1Z" />
+  <rect x="3" y="14" width="7" height="7" rx="1" />
+  <circle cx="17.5" cy="17.5" r="3.5" />
+</svg>