Save images as images

Author: devinmatte

api/src/S3Manager.php

@@ -47,6 +47,7 @@ public function saveImage(Imagick $im, $id) {
         //TODO: Error Handling
         $this->s3Client->putObject([
             'Bucket' => $this->imageBucket,
+            'ContentType' => 'image/png',
             'Key' => "{$id}.png",
             'Body' => $im->getImageBlob()
         ]);