Display DNS deployment URLs in overview section (#21)

Part of [Service provider auctions for web deployments](https://www.notion.so/Service-provider-auctions-for-web-deployments-104a6b22d47280dbad51d28aa3a91d75)

- Disable `Deploy` button in configure step if account and deployer not selected
- Update organization slug
- Only display project if current user is project owner

Co-authored-by: IshaVenikar <ishavenikar7@gmail.com>
Co-authored-by: Adw8 <adwaitgharpure@gmail.com>
Reviewed-on: cerc-io/snowballtools-base#21

packages/backend/test/fixtures/organizations.json

@@ -1,8 +1,8 @@
 [
   {
     "id": "2379cf1f-a232-4ad2-ae14-4d881131cc26",
-    "name": "Snowball Tools",
-    "slug": "snowball-tools-1"
+    "name": "Deploy Tools",
+    "slug": "deploy-tools"
   },
   {
     "id": "7eb9b3eb-eb74-4b53-b59a-69884c82a7fb",