Adding `podcast:funding` tag to examples and DTD

docs/1.0.md

@@ -43,3 +43,19 @@ This tag may be set to `yes` or `no`. The purpose is to tell other podcast platf
 `<podcast:locked owner="email@domain.com">yes</podcast:locked>`
 
 `<podcast:locked owner="email@domain.com">no</podcast:locked>`
+
+## Funding
+`<podcast:funding>`
+This tag lists possible donation/funding links for the podcast. The content of the tag is the recommended string to be used with the link
+#### Parent
+`<channel>`
+
+#### Attributes
+**url:** The URL to be followed to fund the podcast.
+
+**platform (optional)** Identifies a payment or funding platform for the podcast. Service slugs should be recorded here in the repository.
+
+#### Examples
+`<podcast:funding url="www.mydomain.com/support">Support the show!</podcast:funding>`
+
+`<podcast:funding platform="paypal" url="www.paypal.me/myshow">Support the show!</podcast:funding>`

example.xml

@@ -37,6 +37,9 @@
         <podcast:contact type="abuse" method="email">abuse@podcastindex.org</podcast:contact>
 
         <podcast:locked owner="podcastowner@domain.com">yes</podcast:locked>
+
+        <podcast:funding url="www.mydomain.com/support">Support the show!</podcast:funding>
+
         <podcast:previousUrl>https://yeoldhostingprovider.com/podcast479923</podcast:previousUrl>
         <podcast:previousUrl>https://myveryfirstpodcasthost.com/show251.xml</podcast:previousUrl>
         <podcast:id>1348299</podcast:id>