feat(icons): added save-pen icon (#4179)

* Added icons/save-pen.svg

* Added icons/save-pen.json

* Updated icons/save-pen.svg

* Apply design from karsa

* Potential fix for pull request finding

Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

---------

Co-authored-by: Eric Fennis <eric.fennis@gmail.com>
Co-authored-by: Copilot Autofix powered by AI <175728472+Copilot@users.noreply.github.com>

icons/save-pen.json

@@ -0,0 +1,23 @@
+{
+  "$schema": "../icon.schema.json",
+  "contributors": [
+    "colebemis",
+    "csandman",
+    "ericfennis",
+    "karsa-mistmere",
+    "vaporvee"
+  ],
+  "use-cases": [
+    "saving a file with a specific name and/or to a specific location",
+    "exporting or saving a copy of the current document with a different name or format"
+  ],
+  "tags": [
+    "floppy disk",
+    "directory",
+    "rename"
+  ],
+  "categories": [
+    "text",
+    "files"
+  ]
+}

icons/save-pen.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="M13.33 13H8a1 1 0 00-1 1v7" />
+  <path d="M14.363 17.634a2 2 0 00-.506.854l-.837 2.87a.5.5 0 00.62.62l2.87-.837a2 2 0 00.854-.506l4.013-4.009a1 1 0 10-3.004-3.004z" />
+  <path d="M7 3v4a1 1 0 001 1h7" />
+  <path d="M9 21H5a2 2 0 01-2-2V5a2 2 0 012-2h10.2a2 2 0 011.4.6l3.8 3.8a2 2 0 01.6 1.4v.3" />
+</svg>