add dockerhub

Author: hychiang-git

_config.yml

@@ -42,7 +42,7 @@ repo_theme_dark: dark           # https://github.com/anuraghazra/github-readme-s
 # will use title and url fields
 # Take a look to https://github.com/jekyll/jekyll-feed for more customization
 
-rss_icon: true
+rss_icon: false
 
 # -----------------------------------------------------------------------------
 # Layout
@@ -72,6 +72,7 @@ github_username: hychiang-git # your GitHub user name
 gitlab_username: # your GitLab user name
 twitter_username: yueh_ch # your Twitter handle
 mastodon_username: # your mastodon instance+username in the format instance.tld/@username
+dockerhub_username: hychiang
 linkedin_username: hung-yueh-chiang-25898ba3 # your LinkedIn user name
 telegram_username: # your Telegram user name
 scholar_userid: 2uTRM0MAAAAJ # your Google Scholar ID

_includes/social.html

@@ -25,6 +25,9 @@
             {%- if site.github_username -%}
             <a href="https://github.com/{{ site.github_username }}" title="GitHub"><i class="fab fa-github"></i></a>
             {% endif %}
+            {%- if site.dockerhub_username -%}
+            <a href="https://hub.docker.com/u/{{ site.dockerhub_username }}" title="DockerHub"><i class="fab fa-docker"></i></a>
+            {% endif %}
             {%- if site.linkedin_username -%}
             <a href="https://www.linkedin.com/in/{{ site.linkedin_username }}" title="LinkedIn"><i class="fab fa-linkedin"></i></a>
             {% endif %}