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/decode-named-character-reference/index.d.ts

@@ -0,0 +1,12 @@
+/**
+ * Decode a single character reference (without the `&` or `;`).
+ * You probably only need this when you’re building parsers yourself that follow
+ * different rules compared to HTML.
+ * This is optimized to be tiny in browsers.
+ *
+ * @param {string} value
+ *   `notin` (named), `#123` (deci), `#x123` (hexa).
+ * @returns {string|false}
+ *   Decoded reference.
+ */
+export function decodeNamedCharacterReference(value: string): string | false