Add telegram file builder

src/main/kotlin/com/cubetiqs/messaging/client/telegram/TelegramFileDocument.kt

@@ -3,7 +3,7 @@ package com.cubetiqs.messaging.client.telegram
 import java.io.Serializable
 
 /**
- * File Document
+ * Telegram File Document
  *
  * @author sombochea
  * @since 1.0
@@ -13,4 +13,24 @@ open class TelegramFileDocument (
     var name: String? = null,
     var type: String? = null,
     var extension: String? = null,
-) : Serializable
+) : Serializable {
+    fun setFile(file: ByteArray?) = apply {
+        this.file = file
+    }
+
+    fun setName(name: String?) = apply {
+        this.name = name
+    }
+
+    fun setType(type: String?) = apply {
+        this.type = type
+    }
+
+    fun setExtension(extension: String?) = apply {
+        this.extension = extension
+    }
+
+    companion object {
+        fun create() = TelegramFileDocument()
+    }
+}