Add loader icon

icons-manifest.json

@@ -42,6 +42,7 @@
   "anchor",
   "globe",
   "zap",
+  "loader",
   "square",
   "circle",
   "circle-plus",

icons/loader.svg

+<svg xmlns="http://www.w3.org/2000/svg" width="24" height="24" viewBox="0 0 24 24" fill="none" stroke="#000" stroke-width="2" stroke-linecap="round" stroke-linejoin="round">
+  <line x1="12" y1="2" x2="12" y2="6"/>
+  <line x1="12" y1="18" x2="12" y2="22"/>
+  <line x1="4.93" y1="4.93" x2="7.76" y2="7.76"/>
+  <line x1="16.24" y1="16.24" x2="19.07" y2="19.07"/>
+  <line x1="2" y1="12" x2="6" y2="12"/>
+  <line x1="18" y1="12" x2="22" y2="12"/>
+  <line x1="4.93" y1="19.07" x2="7.76" y2="16.24"/>
+  <line x1="16.24" y1="7.76" x2="19.07" y2="4.93"/>
+</svg>
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