0.3.0:0

Update to upstream Spaces 0.3.0 and refresh bundled images (subs v0.1.2c,
certrelay v0.2.8, nacho v1.0.0b). Add Create/Show Registry API Keys for
registry-server, remove Configure Subspaces and SUBS_PUBLISH_REQUIRE_FINALIZED,
and align README/instructions with the new tags.

Co-authored-by: Cursor <cursoragent@cursor.com>

startos/versions/current.ts

@@ -1,9 +1,14 @@
 import { IMPOSSIBLE, VersionInfo } from '@start9labs/start-sdk'
 
 export const current = VersionInfo.of({
-  version: '0.2.1:5',
+  version: '0.3.0:0',
   releaseNotes: {
-    en_US: `Bump Subspaces to \`horologger/subs:v0.1.2b\` and Certrelay to \`horologger/certrelay:v0.2.7b\` (spaces \`v0.2.1a\` and nacho \`v1.0.0\` unchanged).
+    en_US: `Update to upstream Spaces **0.3.0** (\`horologger/spaces:v0.3.0\`). Also bundles \`subs:v0.1.2c\`, \`certrelay:v0.2.8\`, and \`nacho:v1.0.0b\`.
+
+**Wrapper**
+
+- Add **Create Registry API Keys** / **Show Registry API Keys** for the embedded \`registry-server\` (\`REGISTRY_API_KEY\` + \`SUBSD_API_KEY\`; required and must differ)
+- Remove **Configure Subspaces** and \`SUBS_PUBLISH_REQUIRE_FINALIZED\`
 
 Requires StartOS 0.4.0-beta.10 (\`start-sdk\` 2.0.9).`,
   },