docs: add sponsor

.github/FUNDING.yml

@@ -0,0 +1,13 @@
+
+# These are supported funding model platforms
+
+github: barry-ran
+patreon: # Replace with a single Patreon username
+open_collective: QtScrcpy
+ko_fi: # Replace with a single Ko-fi username
+tidelift: # Replace with a single Tidelift platform-name/package-name e.g., npm/babel
+community_bridge: # Replace with a single Community Bridge project-name e.g., cloud-foundry
+liberapay: # Replace with a single Liberapay username
+issuehunt: # Replace with a single IssueHunt username
+otechie: # Replace with a single Otechie username
+custom: ["https://paypal.me/QtScrcpy", "https://gitee.com/Barryda/MyPictureBed/blob/master/QtScrcpy/payme.md"]