Started aligning app-wide outbound http calling behaviour

app/Http/HttpClientHistory.php

@@ -0,0 +1,28 @@
+<?php
+
+namespace BookStack\Http;
+
+use GuzzleHttp\Psr7\Request as GuzzleRequest;
+
+class HttpClientHistory
+{
+    public function __construct(
+        protected &$container
+    ) {
+    }
+
+    public function requestCount(): int
+    {
+        return count($this->container);
+    }
+
+    public function requestAt(int $index): ?GuzzleRequest
+    {
+        return $this->container[$index]['request'] ?? null;
+    }
+
+    public function latestRequest(): ?GuzzleRequest
+    {
+        return $this->requestAt($this->requestCount() - 1);
+    }
+}