chore: update readme and assets

assets/discohook.json

@@ -1,22 +0,0 @@
-{
-  "content": null,
-  "embeds": [
-    {
-      "title": "Welcome to Tinyauth Discord!",
-      "description": "Tinyauth is a simple authentication middleware that adds simple username/password login or OAuth with Google, Github and any generic OAuth provider to all of your docker apps.\n\n**Information**\n\n• Github: <https://github.com/steveiliop56/tinyauth>\n• Website: <https://tinyauth.app>",
-      "url": "https://tinyauth.app",
-      "color": 7002085,
-      "author": {
-        "name": "Tinyauth"
-      },
-      "footer": {
-        "text": "Updated at"
-      },
-      "timestamp": "2025-03-10T19:00:00.000Z",
-      "thumbnail": {
-        "url": "https://github.com/steveiliop56/tinyauth/blob/main/frontend/public/logo.png?raw=true"
-      }
-    }
-  ],
-  "attachments": []
-}