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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vendor/spatie/ignition/node_modules/unicode-property-aliases-ecmascript/README.md

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+# unicode-property-aliases-ecmascript [![Build status](https://travis-ci.org/mathiasbynens/unicode-property-aliases-ecmascript.svg?branch=master)](https://travis-ci.org/mathiasbynens/unicode-property-aliases-ecmascript)
+
+_unicode-property-aliases-ecmascript_ offers Unicode property alias mappings in an easy-to-consume JavaScript format. It only contains the Unicode property names that are supported in [ECMAScript RegExp property escapes](https://github.com/tc39/proposal-regexp-unicode-property-escapes).
+
+It’s based on [the `PropertyAliases.txt` data for Unicode v12.0.0](http://unicode.org/Public/12.0.0/ucd/PropertyAliases.txt).
+
+## Installation
+
+To use _unicode-property-aliases-ecmascript_ programmatically, install it as a dependency via [npm](https://www.npmjs.com/):
+
+```bash
+$ npm install unicode-property-aliases-ecmascript
+```
+
+Then, `require` it:
+
+```js
+const propertyAliases = require('unicode-property-aliases-ecmascript');
+```
+
+## Usage
+
+This module exports a `Map` object. The most common usage is to convert a property alias to its canonical form:
+
+```js
+propertyAliases.get('scx')
+// → 'Script_Extensions'
+```
+
+## Author
+
+| [![twitter/mathias](https://gravatar.com/avatar/24e08a9ea84deb17ae121074d0f17125?s=70)](https://twitter.com/mathias "Follow @mathias on Twitter") |
+|---|
+| [Mathias Bynens](https://mathiasbynens.be/) |
+
+## License
+
+_unicode-property-aliases-ecmascript_ is available under the [MIT](https://mths.be/mit) license.