Update fav icon and add SMTP callout #88

Author: sriramveeraghanta

logo/favicon-32x32.png

@@ -4,7 +4,7 @@
     "light": "/logo/light.svg",
     "dark": "/logo/dark.svg"
   },
-  "favicon": "/logo/favicon.svg",
+  "favicon": "/logo/favicon-32x32.png",
   "colors": {
     "primary": "#3f76ff",
     "light": "#517be0",

mint.json

@@ -3,6 +3,11 @@ title : Email notifications
 sidebarTitle: Email
 description: Either during your set-up or sometime later, you will want to set SMTP settings to let your users get emails to reset passwords, onboard themselves right, and get notifications for changes, and receive exports of your data.
 ---
+
+<Note>
+Plane currently supports SMTP authentication only via email and password. OAuth-based SMTP configurations aren’t supported.
+</Note>
+
 ## Configuration
 
 Plane offers an interface to configure Simple Mail Transfer Protocol (SMTP) and SSL for encrypted email communication.