diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..b25c15b
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1 @@
+*~
diff --git a/docs/assets/js/custom.js~ b/docs/assets/js/custom.js~
deleted file mode 100644
index 85abafb..0000000
--- a/docs/assets/js/custom.js~
+++ /dev/null
@@ -1,24 +0,0 @@
-$(document).ready(function () {
-  let productImageGroups = []
-  $('.img-fluid').each(function () {
-    let productImageSource = $(this).attr('src')
-    let productImageTag = $(this).attr('tag')
-    let productImageTitle = $(this).attr('title')
-    if (productImageTitle) {
-      productImageTitle = 'title="' + productImageTitle + '" '
-    }
-    else {
-      productImageTitle = ''
-    }
-    $(this).
-        wrap('<a class="boxedThumb ' + productImageTag + '" ' +
-            productImageTitle + 'href="' + productImageSource + '"></a>')
-    productImageGroups.push('.' + productImageTag)
-  })
-  jQuery.unique(productImageGroups)
-  productImageGroups.forEach(productImageGroupsSet)
-
-  function productImageGroupsSet (value) {
-    $(value).simpleLightbox()
-  }
-})