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/concat-with-sourcemaps/index.d.ts

@@ -0,0 +1,12 @@
+import { RawSourceMap } from "source-map";
+
+declare module "concat-with-sourcemaps" {
+
+	export default class Concat {
+		constructor(generateSourceMap: boolean, fileName: string, separator?: string);
+		add(filePath: string | null, content: string | Buffer, sourceMap?: string | RawSourceMap): void;
+		readonly content: Buffer;
+		readonly sourceMap: string | undefined;
+	}
+
+}