Add missing icons

customize.dist/images/icons/folder.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 16 13"><defs><style>.cls-1{fill:#444;}</style></defs><title>Asset 2</title><g id="Layer_2" data-name="Layer 2"><g id="_490_Icons" data-name="490 Icons"><path class="cls-1" d="M7,0,9,2h7V13H0V0Z"/></g></g></svg>

customize.dist/images/icons/folderOpen.svg

@@ -0,0 +1 @@
+<svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 15.44 13"><defs><style>.cls-1{fill:#444;}</style></defs><title>Asset 1</title><g id="Layer_2" data-name="Layer 2"><g id="_490_Icons" data-name="490 Icons"><path class="cls-1" d="M13,13l2.44-6.5h-13L0,13ZM2,4,0,13V0H4.5l2,2H13V4Z"/></g></g></svg>

customize.dist/images/icons/ic_folder_black_24px.svg

@@ -0,0 +1,4 @@
+<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
+    <path d="M10 4H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2h-8l-2-2z"/>
+    <path d="M0 0h24v24H0z" fill="none"/>
+</svg>

customize.dist/images/icons/ic_folder_open_black_24px.svg

@@ -0,0 +1,4 @@
+<svg fill="#000000" height="24" viewBox="0 0 24 24" width="24" xmlns="http://www.w3.org/2000/svg">
+    <path d="M0 0h24v24H0z" fill="none"/>
+    <path d="M20 6h-8l-2-2H4c-1.1 0-1.99.9-1.99 2L2 18c0 1.1.9 2 2 2h16c1.1 0 2-.9 2-2V8c0-1.1-.9-2-2-2zm0 12H4V8h16v10z"/>
+</svg>