Add panel with floating box on right side

dev/serve.js

dev/serve.vue

package-lock.json

package.json

src/lib-components/DashboardLayout.vue

src/lib-components/FloatingSidebox.vue

src/lib-components/PanelWithSidebar.vue

src/lib-components/PanelWithSidebox.vue

src/lib-components/SidebarButton.vue

src/lib-components/SidebarEntry.vue

src/lib-components/SidebarHeading.vue

src/lib-components/SidebarList.vue

src/lib-components/index.js