Add img-fluid to gallery images

layouts/shortcodes/paige/gallery.html

@@ -43,6 +43,7 @@
                         <div class="col">
                             {{ partial "paige/a.html" (dict
                                 "content" (partial "paige/img.html" (dict
+                                    "class" "img-fluid"
                                     "height" $height
                                     "maxheight" $maxheight
                                     "maxwidth" $maxwidth
@@ -66,6 +67,7 @@
                 {{ range $resources }}
                     {{ partial "paige/a.html" (dict
                         "content" (partial "paige/img.html" (dict
+                            "class" "img-fluid"
                             "height" $height
                             "maxheight" $maxheight
                             "maxwidth" $maxwidth