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>

vendor/spatie/ignition/node_modules/remark-parse/index.d.ts

@@ -0,0 +1,8 @@
+// This wrapper exists because JS in TS can’t export a `@type` of a function.
+import type {Root} from 'mdast'
+import type {Plugin} from 'unified'
+import type {Options} from './lib/index.js'
+
+declare const remarkParse: Plugin<[Options?] | void[], string, Root>
+export default remarkParse
+export type {Options}