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/@nodelib/fs.scandir/out/providers/sync.d.ts

@@ -0,0 +1,5 @@
+import type Settings from '../settings';
+import type { Entry } from '../types';
+export declare function read(directory: string, settings: Settings): Entry[];
+export declare function readdirWithFileTypes(directory: string, settings: Settings): Entry[];
+export declare function readdir(directory: string, settings: Settings): Entry[];