build: add storybook accessibilty plugin

add resolutions in package.json to fix `yarn storybook` error:
https://github.com/storybookjs/storybook/issues/22431#issuecomment-16
300860

.storybook/main.ts

@@ -6,6 +6,7 @@ const config: StorybookConfig = {
     "@storybook/addon-links",
     "@storybook/addon-essentials",
     "@storybook/addon-interactions",
+    "@storybook/addon-a11y"
   ],
   framework: {
     name: "@storybook/sveltekit",

package.json

@@ -12,6 +12,7 @@
     "build-storybook": "storybook build"
   },
   "devDependencies": {
+    "@storybook/addon-a11y": "^7.4.5",
     "@storybook/addon-essentials": "^7.4.5",
     "@storybook/addon-interactions": "^7.4.5",
     "@storybook/addon-links": "^7.4.5",
@@ -41,5 +42,8 @@
     "@nostr-dev-kit/ndk-svelte": "^1.3.0",
     "@nostr-dev-kit/ndk-svelte-components": "^1.3.0",
     "daisyui": "^3.8.0"
+  },
+  "resolutions": {
+    "jackspeak": "2.1.1"
   }
-}
+}