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>

vendor/spatie/ignition/node_modules/unist-util-is/index.d.ts

@@ -0,0 +1,13 @@
+export type Test = import('./lib/index.js').Test
+export type TestFunctionAnything = import('./lib/index.js').TestFunctionAnything
+export type AssertAnything = import('./lib/index.js').AssertAnything
+export type PredicateTest<
+  Kind extends import('unist').Node<import('unist').Data>
+> = import('./lib/index.js').PredicateTest<Kind>
+export type TestFunctionPredicate<
+  Kind extends import('unist').Node<import('unist').Data>
+> = import('./lib/index.js').TestFunctionPredicate<Kind>
+export type AssertPredicate<
+  Kind extends import('unist').Node<import('unist').Data>
+> = import('./lib/index.js').AssertPredicate<Kind>
+export {is, convert} from './lib/index.js'