[CL-573] Move all svg icons to new libs/assets (#16020)

* create libs/assets

* treeshake lib and filter out non-icons from icon story

* update docs

* fix icon colors in browser and desktop

* better name for vault icon

* move illustrations

libs/components/tailwind.config.base.js

@@ -10,6 +10,7 @@ module.exports = {
   prefix: "tw-",
   content: [
     "./src/**/*.{html,ts}",
+    "../../libs/assets/src/**/*.{html,ts}",
     "../../libs/components/src/**/*.{html,ts}",
     "../../libs/key-management-ui/src/**/*.{html,ts}",
     "../../libs/auth/src/**/*.{html,ts}",