Rename project from Gooti to Plebian Signer and add Claude Code config

- Rename all gooti-* files to plebian-signer-* across Chrome and Firefox
- Rename GootiMetaHandler to SignerMetaHandler in common library
- Update all references to use new naming convention
- Add CLAUDE.md with project build/architecture documentation
- Add Claude Code release command tailored for this npm/Angular project
- Add NWC-IMPLEMENTATION.md design document
- Add Claude skills for nostr, typescript, react, svelte, and applesauce libs
- Update README and various component templates with new branding

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

projects/common/src/lib/services/storage/related/vault.ts

@@ -113,7 +113,7 @@ export const deleteVault = async function (
   doNotSetIsInitializedToFalse: boolean
 ): Promise<void> {
   this.assureIsInitialized();
-  const syncFlow = this.getGootiMetaHandler().gootiMetaData?.syncFlow;
+  const syncFlow = this.getSignerMetaHandler().signerMetaData?.syncFlow;
   if (typeof syncFlow === 'undefined') {
     throw new Error('Sync flow is not set.');
   }