feat: Use native imaging for much faster thumbnail calc on mobile

pubspec.lock

@@ -983,7 +983,7 @@ packages:
       name: matrix
       url: "https://pub.dartlang.org"
     source: hosted
-    version: "0.8.16"
+    version: "0.8.17"
   matrix_api_lite:
     dependency: transitive
     description:
@@ -1026,6 +1026,15 @@ packages:
       url: "https://pub.dartlang.org"
     source: hosted
     version: "1.0.2"
+  native_imaging:
+    dependency: "direct main"
+    description:
+      path: "."
+      ref: HEAD
+      resolved-ref: "8c6a5afe2c965b79b5959bb4b49c4aad020cb980"
+      url: "https://gitlab.com/famedly/libraries/native_imaging.git"
+    source: git
+    version: "0.1.0"
   nested:
     dependency: transitive
     description: