Added Limited Epoch Event Buffer

for better frontend performance when using big  max epoch number

app/Services/IPerceptronIterationEventBuffer.php

@@ -0,0 +1,10 @@
+<?php
+
+namespace App\Services;
+
+interface IPerceptronIterationEventBuffer {
+
+    public function flush(): void ;
+
+    public function addIteration(int $iteration, int $exampleIndex, float $error, array $synaptic_weights): void ;
+}