chore: update donation links

.github/FUNDING.yml

@@ -1,4 +1,3 @@
 # These are supported funding model platforms
 
-liberapay: SeaDve
-custom: ["https://www.paypal.com/paypalme/davecaberto"]
+custom: ["https://www.buymeacoffee.com/seadve"]

README.md

@@ -13,8 +13,8 @@
     <img width="200" alt="Download on Flathub" src="https://flathub.org/assets/badges/flathub-badge-i-en.svg"/>
   </a>
   <br>
-  <a href="https://liberapay.com/SeaDve/donate">
-    <img alt="Donate using Liberapay" src="https://liberapay.com/assets/widgets/donate.svg">
+  <a href="https://www.buymeacoffee.com/seadve">
+    <img alt="Buy Me a Coffee" src="https://img.buymeacoffee.com/button-api/?text=Buy me a coffee&emoji=&slug=seadve&button_colour=FFDD00&font_colour=000000&font_family=Inter&outline_colour=000000&coffee_colour=ffffff" width="150"/>
   </a>
 </p>
 
@@ -143,7 +143,7 @@ or think you can improve a translation, you can use the [Weblate](https://hosted
 ## ☕ Support me and the project
 
 Kooha is free and will always be for everyone to use. If you like the project and
-would like to support and fund it, you may donate through [Liberapay](https://liberapay.com/SeaDve/).
+would like to support it, you may [buy me a coffee](https://www.buymeacoffee.com/seadve).
 
 
 ## 💝 Acknowledgment

data/io.github.seadve.Kooha.metainfo.xml.in.in

@@ -22,7 +22,7 @@
   <url type="homepage">https://github.com/SeaDve/Kooha</url>
   <url type="bugtracker">https://github.com/SeaDve/Kooha/issues</url>
   <url type="translate">https://hosted.weblate.org/projects/kooha/pot-file/</url>
-  <url type="donation">https://liberapay.com/SeaDve/</url>
+  <url type="donation">https://www.buymeacoffee.com/seadve</url>
   <developer_name>Dave Patrick Caberto</developer_name>
   <update_contact>[email protected]</update_contact>
   <content_rating type="oars-1.1"/>

src/about.rs

@@ -34,14 +34,9 @@ pub fn present_window(transient_for: Option<&impl IsA<gtk::Window>>) {
         .build();
 
     win.add_link(
-        &gettext("Donate (Liberapay)"),
-        "https://liberapay.com/SeaDve",
+        &gettext("Donate (Buy Me a Coffee)"),
+        "https://www.buymeacoffee.com/seadve",
     );
-    win.add_link(
-        &gettext("Donate (PayPal)"),
-        "https://www.paypal.com/paypalme/davecaberto",
-    );
-
     win.add_link(&gettext("GitHub"), "https://github.com/SeaDve/Kooha");
     win.add_link(
         &gettext("Translate"),