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

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

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

node_modules/tldts-core/index.ts

@@ -0,0 +1,10 @@
+export {
+  FLAG,
+  parseImpl,
+  IResult,
+  getEmptyResult,
+  resetResult,
+} from './src/factory';
+export { IPublicSuffix, ISuffixLookupOptions } from './src/lookup/interface';
+export { default as fastPathLookup } from './src/lookup/fast-path';
+export { IOptions, setDefaults } from './src/options';