created backend for project section and updated the css for the images

src/api/projectData.php

@@ -0,0 +1,28 @@
+<?php
+require_once "./config.php";
+
+/**
+ * Project Data Class
+ * Define all functions which either get, update, create or delete timeline data
+ */
+class ProjectData
+{
+    function getProjectData()
+    {
+        $conn = dbConn();
+        $stmt = $conn->prepare("SELECT title, information, imgLocation, projectLink, githubLink FROM projects;");
+        $stmt->execute();
+
+        // set the resulting array to associative
+        $result = $stmt->fetchAll(PDO::FETCH_ASSOC);
+
+        if ($result)
+        {
+            return $result;
+        }
+        else
+        {
+            return array(array("errorMessage" => "Error, project data not found"));
+        }
+    }
+}