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/caller-path/readme.md

@@ -0,0 +1,34 @@
+# caller-path [![Build Status](https://travis-ci.org/sindresorhus/caller-path.svg?branch=master)](https://travis-ci.org/sindresorhus/caller-path)
+
+> Get the path of the caller function
+
+
+## Install
+
+```
+$ npm install --save caller-path
+```
+
+
+## Usage
+
+```js
+// foo.js
+const callerPath = require('caller-path');
+
+module.exports = () => {
+	console.log(callerPath());
+	//=> '/Users/sindresorhus/dev/unicorn/bar.js'
+}
+```
+
+```js
+// bar.js
+const foo = require('./foo');
+foo();
+```
+
+
+## License
+
+MIT © [Sindre Sorhus](https://sindresorhus.com)