feat(icons): add diamond-minus (#2073)

* Add diamond-minus icon

* Add json file

icons/diamond-minus.json

@@ -0,0 +1,38 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "chessurisme"
+  ],
+  "tags": [
+    "keyframe",
+    "subtract",
+    "remove",
+    "decrease",
+    "reduce",
+    "calculator",
+    "button",
+    "keyboard",
+    "line",
+    "divider",
+    "separator",
+    "horizontal rule",
+    "hr",
+    "html",
+    "markup",
+    "markdown",
+    "---",
+    "toolbar",
+    "operator",
+    "code",
+    "coding",
+    "minimum",
+    "downgrade"
+  ],
+  "categories": [
+    "multimedia",
+    "shape",
+    "photography",
+    "tools",
+    "devices"
+  ]
+}

icons/diamond-minus.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="M2.7 10.3a2.41 2.41 0 0 0 0 3.41l7.59 7.59a2.41 2.41 0 0 0 3.41 0l7.59-7.59a2.41 2.41 0 0 0 0-3.41L13.7 2.71a2.41 2.41 0 0 0-3.41 0z" />
+  <path d="M8 12h8" />
+</svg>