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/ts-jest/dist/utils/get-package-version.js

@@ -0,0 +1,14 @@
+"use strict";
+Object.defineProperty(exports, "__esModule", { value: true });
+exports.getPackageVersion = getPackageVersion;
+/**
+ * @internal
+ */
+function getPackageVersion(moduleName) {
+    try {
+        return require(`${moduleName}/package.json`).version;
+    }
+    catch {
+        return undefined;
+    }
+}