[InstagramBridge] Add link on image and video indication in title (#966)

In item content, the image is now a clickable link to the post;
In item title a ▶ is prepended if the post contains a video; it's impossible to tell from the content image.

bridges/InstagramBridge.php

@@ -88,7 +88,7 @@ public function collectData(){
 				$textContent = basename($media->display_url);
 			}
 
-			$item['title'] = trim($textContent);
+			$item['title'] = ($media->is_video ? '▶ ' : '') . trim($textContent);
 			$titleLinePos = strpos(wordwrap($item['title'], 120), "\n");
 			if ($titleLinePos != false) {
 				$item['title'] = substr($item['title'], 0, $titleLinePos) . '...';
@@ -99,8 +99,9 @@ public function collectData(){
 				$item['content'] = $data[0];
 				$item['enclosures'] = $data[1];
 			} else {
-				$item['content'] = '<img src="' . htmlentities($media->display_url) . '" alt="' . $item['title'] . '" />';
-				$item['content'] .= '<br><br>' . nl2br(htmlentities($textContent));
+				$item['content'] = '<a href="' . htmlentities($item['uri']) . '" target="_blank">';
+				$item['content'] .= '<img src="' . htmlentities($media->display_url) . '" alt="' . $item['title'] . '" />';
+				$item['content'] .= '</a><br><br>' . nl2br(htmlentities($textContent));
 				$item['enclosures'] = array($media->display_url);
 			}