Add repeat-2 (repost/retweet) icon (#1135)

* Add `repeat-2` icon

* Update icons/repeat-2.svg

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

icons/repeat-2.json

@@ -0,0 +1,16 @@
+{
+  "$schema": "../icon.schema.json",
+  "tags": [
+    "arrows",
+    "retweet",
+    "repost",
+    "share",
+    "repeat",
+    "loop"
+  ],
+  "categories": [
+    "arrows",
+    "social",
+    "multimedia"
+  ]
+}

icons/repeat-2.svg

@@ -0,0 +1,16 @@
+<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 9 3-3 3 3" />
+  <path d="M13 18H7a2 2 0 0 1-2-2V6" />
+  <path d="m22 15-3 3-3-3" />
+  <path d="M11 6h6a2 2 0 0 1 2 2v10" />
+</svg>