add post preview

features/common/common/build.gradle

@@ -14,6 +14,7 @@ kotlin {
                 api "dev.inmo:micro_utils.serialization.typed_serializer:$microutils_version"
                 api "io.insert-koin:koin-core:$koin_version"
                 api "com.benasher44:uuid:$uuid_version"
+                api "com.soywiz.korlibs.klock:klock:$klock_version"
             }
         }
         jvmMain {

features/common/common/src/commonMain/kotlin/dev/inmo/postssystem/features/common/common/DateTimeSerializer.kt

@@ -0,0 +1,23 @@
+package dev.inmo.postssystem.features.common.common
+
+import com.soywiz.klock.DateTime
+import kotlinx.serialization.KSerializer
+import kotlinx.serialization.Serializer
+import kotlinx.serialization.builtins.serializer
+import kotlinx.serialization.descriptors.SerialDescriptor
+import kotlinx.serialization.encoding.Decoder
+import kotlinx.serialization.encoding.Encoder
+
+@Serializer(DateTime::class)
+object DateTimeSerializer : KSerializer<DateTime> {
+    override val descriptor: SerialDescriptor
+        get() = Double.serializer().descriptor
+
+    override fun deserialize(decoder: Decoder): DateTime {
+        return DateTime(decoder.decodeDouble())
+    }
+
+    override fun serialize(encoder: Encoder, value: DateTime) {
+        encoder.encodeDouble(value.unixMillis)
+    }
+}