feat(BOOK-391): Added theme and logos for Bassin Seven

* chore: Updated border-radius variables after import change

Approved-by: Linus Flood

packages/design-system/.storybook/content/colors/bassinSeven.mdx

@@ -0,0 +1,11 @@
+import { Meta } from "@storybook/addon-docs/blocks"
+
+import { Colors } from "../Colors"
+
+import { bassinSeven } from "../../../lib/tokens"
+
+<Meta title="Tokens/Colors/Bassin Seven" />
+
+# Colors: Bassin Seven
+
+<Colors theme={bassinSeven} />

packages/design-system/.storybook/preview.tsx

@@ -18,6 +18,7 @@ export const themes = {
     "Hotel Norge": "hotel-norge",
     Marski: "marski",
     "The Dock": "the-dock",
+    "Bassin Seven": "bassin-seven",
   },
   defaultTheme: "Scandic",
 }