Add ImageLoader API

docs/docs/v4/image-coil/README.md

@@ -8,6 +8,15 @@ Image loading based on `Coil` library
 val markwon = Markwon.builder(context)
         // automatically create Coil instance
         .usePlugin(CoilImagesPlugin.create(context))
+        // use supplied ImageLoader instance
+        .usePlugin(CoilImagesPlugin.create(
+            context,
+            ImageLoader(context) {
+                availableMemoryPercentage(0.5)
+                bitmapPoolPercentage(0.5)
+                crossfade(true)
+            }
+        ))
         // if you need more control
         .usePlugin(CoilImagesPlugin.create(object : CoilImagesPlugin.CoilStore {
             override fun load(drawable: AsyncDrawable): LoadRequest {

markwon-image-coil/src/main/java/io/noties/markwon/image/coil/CoilImagesPlugin.java

@@ -14,6 +14,7 @@ import java.util.HashMap;
 import java.util.Map;
 
 import coil.Coil;
+import coil.ImageLoader;
 import coil.api.ImageLoaders;
 import coil.request.LoadRequest;
 import coil.request.RequestDisposable;
@@ -58,6 +59,25 @@ public class CoilImagesPlugin extends AbstractMarkwonPlugin {
         });
     }
 
+    @NonNull
+    public static CoilImagesPlugin create(@NonNull final Context context,
+                                          @NonNull final ImageLoader imageLoader) {
+        return create(new CoilStore() {
+            @NonNull
+            @Override
+            public LoadRequest load(@NonNull AsyncDrawable drawable) {
+                return ImageLoaders.newLoadBuilder(imageLoader, context)
+                        .data(drawable.getDestination())
+                        .build();
+            }
+
+            @Override
+            public void cancel(@NonNull RequestDisposable disposable) {
+                disposable.dispose();
+            }
+        });
+    }
+
     @NonNull
     public static CoilImagesPlugin create(@NonNull CoilStore coilStore) {
         return new CoilImagesPlugin(coilStore);