extract @k8slens/icon

Signed-off-by: Gabriel <gaccettola@mirantis.com>

packages/ui-components/icon/README.md

@@ -0,0 +1,19 @@
+# @k8slens/error-boundary
+
+This package contains stuff related to creating Lens-applications. 
+
+# Usage
+
+```bash
+$ npm install @k8slens/icon
+```
+
+```typescript
+import "@k8slens/icon/styles";
+
+import type { BaseIconProps } from "@k8slens/icon";
+import type { IconProps } from "@k8slens/icon";
+import { Icon } from "@k8slens/icon";
+```
+
+## Extendability