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/http-proxy-middleware/dist/index.d.ts

@@ -0,0 +1,4 @@
+import { Filter, Options } from './types';
+export declare function createProxyMiddleware(context: Filter | Options, options?: Options): import("./types").RequestHandler;
+export * from './handlers';
+export { Filter, Options, RequestHandler } from './types';