Do not exclude README & use a valid SPDX license (#52)

## *What has changed?*:

## *Why was it needed?*:

## *How was it done?*:

## Links to trello Tickets or github issues: 

#6 

---

### Code Checklist
- [ ] tested
- [ ] documented

.distignore

@@ -35,7 +35,6 @@ multisite.xml.dist
 phpcs.xml
 .phpcs.xml.dist
 phpcs.xml.dist
-README.md
 webpack.config.js
 wp-cli.local.yml
 yarn.lock

package.json

@@ -1,6 +1,6 @@
 {
 	"name": "label-printing",
-	"version": "0.3.2",
+	"version": "0.3.3",
 	"description": "Create printable labels with blocks.",
 	"author": "Carsten Bach",
 	"license": "GPL-3.0-or-later",

plugin.php

@@ -8,7 +8,7 @@
  * @license           GPL-3.0+
  *
  * @wordpress-plugin
- * Plugin Name:       figuren.theater | Label Printing
+ * Plugin Name:       Label Printing
  * Plugin URI:        https://github.com/figuren-theater/label-printing
  * Description:       Create printable labels with blocks.
  * Version:           0.3.2

readme.md

@@ -1,10 +1,10 @@
 # Label Printing
 
-Stable tag: 0.3.2
+Stable tag: 0.3.3
 Tested up to: 6.5.3
 Requires at least: 6.3
 Requires PHP: 8.1
-License: GPL v3 or later
+License: GPL-3.0+
 Tags: Label, print, print.css, block
 Contributors: carstenbach