feat(icons): add rybbit (#2731)

Co-authored-by: Dashboard Icons Manager <193821040+dashboard-icons-manager[bot]@users.noreply.github.com>

tree.json

@@ -2115,6 +2115,8 @@
         "rust.png",
         "rustdesk.png",
         "rutorrent.png",
+        "rybbit-dark.png",
+        "rybbit.png",
         "ryot-light.png",
         "ryot.png",
         "sabnzbd-light.png",
@@ -4524,6 +4526,8 @@
         "rust.svg",
         "rustdesk.svg",
         "rutorrent.svg",
+        "rybbit-dark.svg",
+        "rybbit.svg",
         "ryot-light.svg",
         "ryot.svg",
         "sabnzbd-light.svg",
@@ -7146,6 +7150,8 @@
         "rust.webp",
         "rustdesk.webp",
         "rutorrent.webp",
+        "rybbit-dark.webp",
+        "rybbit.webp",
         "ryot-light.webp",
         "ryot.webp",
         "sabnzbd-light.webp",