feat(coil): Configure Coil-cache to no longer leak memory (#1031)

Configure Coil-cache to no longer leak memory, causing the app to slow down and eventually crash

This configures the memory caching in the way presented by the official documentation at
https://coil-kt.github.io/coil/image_loaders/

app/src/main/java/eu/kanade/tachiyomi/App.kt

@@ -20,6 +20,9 @@ import androidx.work.Configuration
 import androidx.work.WorkManager
 import coil3.ImageLoader
 import coil3.SingletonImageLoader
+import coil3.disk.DiskCache
+import coil3.disk.directory
+import coil3.memory.MemoryCache
 import coil3.network.okhttp.OkHttpNetworkFetcherFactory
 import coil3.request.allowRgb565
 import coil3.request.crossfade
@@ -266,6 +269,19 @@ class App : Application(), DefaultLifecycleObserver, SingletonImageLoader.Factor
                 // SY <--
             }
 
+            memoryCache(
+                MemoryCache.Builder()
+                    .maxSizePercent(context, 0.25)
+                    .build(),
+            )
+
+            diskCache(
+                DiskCache.Builder()
+                    .directory(context.cacheDir.resolve("image_cache"))
+                    .maxSizePercent(0.02)
+                    .build(),
+            )
+
             crossfade((300 * this@App.animatorDurationScale).toInt())
             allowRgb565(DeviceUtil.isLowRamDevice(this@App))
             if (networkPreferences.verboseLogging().get()) logger(DebugLogger())