Support more image types (#700)

server/src/test/kotlin/suwayomi/tachidesk/ImageUtilTest.kt

@@ -0,0 +1,25 @@
+package suwayomi.tachidesk
+
+import suwayomi.tachidesk.manga.impl.util.storage.ImageUtil
+import kotlin.test.Test
+import kotlin.test.assertEquals
+
+class ImageUtilTest {
+    @Test
+    fun jxlTest() {
+        val type = ImageUtil.findImageType(this::class.java.classLoader.getResourceAsStream("dice.jxl")!!)
+        assertEquals(ImageUtil.ImageType.JXL, type)
+    }
+
+    @Test
+    fun avifTest() {
+        val type = ImageUtil.findImageType(this::class.java.classLoader.getResourceAsStream("fox.profile0.8bpc.yuv420.avif")!!)
+        assertEquals(ImageUtil.ImageType.AVIF, type)
+    }
+
+    @Test
+    fun heifTest() {
+        val type = ImageUtil.findImageType(this::class.java.classLoader.getResourceAsStream("sample1.heif")!!)
+        assertEquals(ImageUtil.ImageType.HEIF, type)
+    }
+}