Add JSON for each Script and a metadata.json file (#86)

* Generated JSON from database with changes suggested by maintainers. Includes a categories.json file that contains all the possible categories

* Renamed categories.json to metadata.json

json/emqx.json

@@ -0,0 +1,34 @@
+{
+    "name": "EMQX",
+    "slug": "emqx",
+    "categories": [
+        4
+    ],
+    "date_created": "2024-05-02",
+    "type": "ct",
+    "updateable": false,
+    "privileged": false,
+    "interface_port": "18083",
+    "documentation": null,
+    "website": "https://www.emqx.io/",
+    "logo": "https://github.com/hassio-addons/repository/blob/master/emqx/icon.png?raw=true",
+    "description": "EMQX is an open-source MQTT broker that features a high-performance, real-time message processing engine. It is designed to handle large-scale IoT deployments, providing fast and reliable message delivery for connected devices. EMQX is known for its scalability, reliability, and low latency, making it a popular choice for IoT and M2M applications. It also offers a wide range of features and plugins for enhanced security, monitoring, and management.",
+    "install_methods": [
+        {
+            "type": "default",
+            "script": "ct/emqx.sh",
+            "resources": {
+                "cpu": "2",
+                "ram": "1024",
+                "hdd": "4",
+                "os": "debian",
+                "version": "12"
+            }
+        }
+    ],
+    "default_credentials": {
+        "username": "admin",
+        "password": "public"
+    },
+    "notes": []
+}