🛠 Add jekyll-assets for asset pipeline #100DaysOfCode R1D27

Used an old version because documentation of current version is incomplete.
I couldn't figure out how to get it to work properly.

.gitignore

@@ -3,6 +3,8 @@ _site
 .jekyll
 .jekyll-metadata
 .bundle
+.asset-cache
+.jekyll-cache
 .sass-cache
 Gemfile.lock
 node_modules

Gemfile

@@ -1,4 +1,7 @@
 source 'https://rubygems.org'
-gem 'jekyll-sitemap'
+gem 'jekyll-sitemap', group: :jekyll_plugins
-gem 'jekyll-seo-tag'
+gem 'jekyll-seo-tag', group: :jekyll_plugins
+
+gem "jekyll-assets", "~> 2.4.0", group: :jekyll_plugins
+
 gem 'bootstrap', '~> 4.0.0'

_assets/js/application.js

@@ -0,0 +1,5 @@
+//= require vendor/jquery
+//= require popper
+//= require bootstrap
+
+console.log($);

_config.yml

@@ -55,23 +55,17 @@ collections:
   links:
     output: false
 
-#
-# !! You don't need to change any of the configuration flags below !!
-#
-
 permalink: /:year/:month/:title/
 
 # Jekyll 3 now only supports Kramdown for Markdown
 kramdown:
   # Use GitHub flavored markdown, including triple backtick fenced code blocks
   input: GFM
-  # Jekyll 3 and GitHub Pages now only support rouge for syntax highlighting
   syntax_highlighter: rouge
   syntax_highlighter_opts:
     # Use existing pygments syntax highlighting css
     css_class: 'highlight'
 
-# Set the Sass partials directory, as we're using @imports
 sass:
   style: :expanded # You might prefer to minify using :compressed
 
@@ -79,6 +73,7 @@ sass:
 plugins:
   - jekyll-sitemap # Create a sitemap using the official Jekyll sitemap gem
   - jekyll-seo-tag
+  - jekyll-assets
   - bootstrap
 
 # Exclude these files from your production _site

_layouts/default.html

@@ -59,5 +59,6 @@
 	  </div>
 
 	</section>
+	{% js application %}
   </body>
 </html>