Merge pull request #814 from 10up/feature/797

Add WordPress Playground integration

.github/blueprints/blueprint.json

@@ -0,0 +1,24 @@
+{
+  "$schema": "https://playground.wordpress.net/blueprint-schema.json",
+  "landingPage": "/wp-admin/admin.php?page=classifai_setup",
+  "preferredVersions": {
+    "php": "7.4",
+    "wp": "latest"
+  },
+  "features": {
+    "networking": true
+  },
+  "phpExtensionBundles": ["kitchen-sink"],
+  "steps": [
+    {
+      "step": "installPlugin",
+      "pluginZipFile": {
+        "resource": "url",
+        "url": "https://github-proxy.com/proxy/?repo=10up/classifai&branch=stable"
+      },
+      "options": {
+        "activate": true
+      }
+    }
+  ]
+}

README.md

@@ -2,7 +2,7 @@
 
 ![ClassifAI](https://github.com/10up/classifai/blob/develop/assets/img/banner-1544x500.png)
 
-[![Support Level](https://img.shields.io/badge/support-active-green.svg)](#support-level) [![Release Version](https://img.shields.io/github/release/10up/classifai.svg)](https://github.com/10up/classifai/releases/latest) ![WordPress tested up to version](https://img.shields.io/badge/WordPress-v6.6%20tested-success.svg) [![GPLv2 License](https://img.shields.io/github/license/10up/classifai.svg)](https://github.com/10up/classifai/blob/develop/LICENSE.md)
+[![Support Level](https://img.shields.io/badge/support-active-green.svg)](#support-level) [![Release Version](https://img.shields.io/github/release/10up/classifai.svg)](https://github.com/10up/classifai/releases/latest) ![WordPress tested up to version](https://img.shields.io/badge/WordPress-v6.6%20tested-success.svg) [![GPLv2 License](https://img.shields.io/github/license/10up/classifai.svg)](https://github.com/10up/classifai/blob/develop/LICENSE.md) [![WordPress Playground Demo](https://img.shields.io/badge/Playground_Demo-8A2BE2?logo=wordpress&logoColor=FFFFFF&labelColor=3858E9&color=3858E9)](https://playground.wordpress.net/?blueprint-url=https://raw.githubusercontent.com/10up/classifai/develop/.github/blueprints/blueprint.json)
 
 [![E2E Testing](https://github.com/10up/classifai/actions/workflows/cypress.yml/badge.svg)](https://github.com/10up/classifai/actions/workflows/cypress.yml) [![PHPUnit Testing](https://github.com/10up/classifai/actions/workflows/test.yml/badge.svg)](https://github.com/10up/classifai/actions/workflows/test.yml) [![Linting](https://github.com/10up/classifai/actions/workflows/lint.yml/badge.svg)](https://github.com/10up/classifai/actions/workflows/lint.yml) [![CodeQL](https://github.com/10up/classifai/actions/workflows/codeql-analysis.yml/badge.svg)](https://github.com/10up/classifai/actions/workflows/codeql-analysis.yml) [![Dependency Review](https://github.com/10up/classifai/actions/workflows/dependency-review.yml/badge.svg)](https://github.com/10up/classifai/actions/workflows/dependency-review.yml)