GZip compression for networking

app/src/main/java/org/koitharu/kotatsu/core/network/GZipInterceptor.kt

@@ -0,0 +1,14 @@
+package org.koitharu.kotatsu.core.network
+
+import okhttp3.Interceptor
+import okhttp3.Response
+import org.jsoup.helper.HttpConnection.CONTENT_ENCODING
+
+class GZipInterceptor : Interceptor {
+
+	override fun intercept(chain: Interceptor.Chain): Response {
+		val newRequest = chain.request().newBuilder()
+		newRequest.addHeader(CONTENT_ENCODING, "gzip")
+		return chain.proceed(newRequest.build())
+	}
+}

app/src/main/java/org/koitharu/kotatsu/core/network/NetworkModule.kt

@@ -21,9 +21,10 @@ val networkModule
 				cookieJar(get())
 				dns(DoHManager(cache, get()))
 				cache(cache)
+				addInterceptor(GZipInterceptor())
 				addInterceptor(UserAgentInterceptor())
 				addInterceptor(CloudFlareInterceptor())
 			}.build()
 		}
 		single<MangaLoaderContext> { MangaLoaderContextImpl(get(), get(), get()) }
-	}
+	}