Fix bin/publish: copy docs.dist from project root

Fix bin/publish: use correct .env path for rspade_system
Fix bin/publish script: prevent grep exit code 1 from terminating script

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

node_modules/bonjour-service/dist/lib/registry.d.ts

@@ -0,0 +1,14 @@
+import Server from './mdns-server';
+import Service, { ServiceConfig } from './service';
+export declare class Registry {
+    private server;
+    private services;
+    constructor(server: Server);
+    publish(config: ServiceConfig): Service;
+    unpublishAll(callback: CallableFunction | undefined): void;
+    destroy(): void;
+    private probe;
+    private announce;
+    private teardown;
+}
+export default Registry;