Update providers.json (#30)

Add HostEZ to the supported list for plugins.

_data/providers.json

@@ -228,6 +228,11 @@
       "url": "https://hokus.me",
       "description_template": "default"
     },
+    {
+      "name": "HostEZ",
+      "url": "https://hostez.io/minecraft",
+      "description": "Geyser plugin supported with self-install or installed on request with its own port. Includes firewall tested to be compatible with Geyser."
+    },
     {
       "name": "HostMC4Free",
       "url": "https://hostmc4free.com",