Add web client, update CLI client

client-cli/src/main/kotlin/Main.kt

@@ -2,6 +2,8 @@ package xyz.maxwellj.chookpen.client
 
 import okhttp3.*
 import java.util.Scanner
+import java.util.concurrent.TimeUnit
+
 import kotlin.system.exitProcess
 
 import java.io.File
@@ -52,7 +54,7 @@ fun main() {
     }
 
     val client = OkHttpClient.Builder()
-        //.pingInterval(30, TimeUnit.SECONDS)
+        .pingInterval(30, TimeUnit.SECONDS)
         .build()
 
     val request = Request.Builder()