Update requirements around "Support this app" (#152)

Requirements around "Support this app" have been updated to not expect
the user receiving a digital good in return.

Author: Xenc5

docs/earn-money/payments/support_this_app.md

@@ -4,8 +4,9 @@ You can ask users to contribute to your app’s development by adding the “sup
 
 ## Requirements
 
-1. You must give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
-2. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.mdx#design-guidelines).
+1. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.mdx#design-guidelines).
+1. You can choose to give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
+1. If you choose to not give the user anything for supporting your app, ensure that it's clear to the user that they are contributing to a "tip jar" without receiving anything in return.
 
 ## How to integrate app support
 

versioned_docs/version-0.11/payments/support_this_app.md

@@ -4,8 +4,9 @@ You can ask users to contribute to your app’s development by adding the “sup
 
 ## Requirements
 
-1. You must give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
-2. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.md#design-guidelines).
+1. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.md#design-guidelines).
+1. You can choose to give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
+1. If you choose to not give the user anything for supporting your app, ensure that it's clear to the user that they are contributing to a "tip jar" without receiving anything in return.
 
 ## How to integrate app support
 

versioned_docs/version-0.12/earn-money/payments/support_this_app.md

@@ -4,8 +4,11 @@ You can ask users to contribute to your app’s development by adding the “sup
 
 ## Requirements
 
-1. You must give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
-2. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.mdx#design-guidelines).
+The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.mdx#design-guidelines).
+
+You can choose to give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
+
+If you choose to not give the user anything for supporting your app, ensure that it's clear to the user that they are contributing to a "tip jar" without receiving anything in return.
 
 ## How to integrate app support
 

versioned_docs/version-0.13/earn-money/payments/support_this_app.md

@@ -4,8 +4,9 @@ You can ask users to contribute to your app’s development by adding the “sup
 
 ## Requirements
 
-1. You must give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
-2. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.mdx#design-guidelines).
+1. The “Support this App” purchase button must meet the Developer Platform’s [design guidelines](./payments_add.mdx#design-guidelines).
+1. You can choose to give something in return to users who support your app. This could be unique custom user flair, an honorable mention in a thank you post, or another creative way to show your appreciation.
+1. If you choose to not give the user anything for supporting your app, ensure that it's clear to the user that they are contributing to a "tip jar" without receiving anything in return.
 
 ## How to integrate app support