FEATURE #2350 @2h: add pipeline for displaying content

app/CMS/Contracts/Content/DisplayPipeline/Pipeline.php

@@ -0,0 +1,17 @@
+<?php
+namespace App\CMS\Contracts\Content\DisplayPipeline;
+
+use App\Models\Content\Content;
+
+interface Pipeline {
+    /**
+     * Add new process into pipeline
+     *
+     * @param Process $proces
+     *
+     * @return mixed
+     *
+     */
+    function add($process);
+    function run(Content $page);
+}

app/CMS/Contracts/Content/DisplayPipeline/Process.php

@@ -0,0 +1,15 @@
+<?php
+namespace App\CMS\Contracts\Content\DisplayPipeline;
+
+use App\Models\Content\Content;
+
+interface Process {
+    /**
+     * Process and modify given page
+     *
+     * @param Content $page
+     *
+     * @return mixed
+     */
+    function handle(Content & $page);
+}