Update to dark theme

Gemfile

@@ -9,7 +9,7 @@ source "https://rubygems.org"
 # Happy Jekylling!
 gem "jekyll", "~> 4.2.0"
 # This is the default theme for new Jekyll sites. You may change this to anything you like.
-gem "minima", "~> 2.5"
+gem "minima", git: "https://github.com/jekyll/minima"
 # If you want to use GitHub Pages, remove the "gem "jekyll"" above and
 # uncomment the line below. To upgrade, run `bundle update github-pages`.
 # gem "github-pages", group: :jekyll_plugins

Gemfile.lock

@@ -1,3 +1,12 @@
+GIT
+  remote: https://github.com/jekyll/minima
+  revision: 3cdd14dff1216f561c68329e0b7420c2dc9b796a
+  specs:
+    minima (2.5.1)
+      jekyll (>= 3.5, < 5.0)
+      jekyll-feed (~> 0.9)
+      jekyll-seo-tag (~> 2.1)
+
 GEM
   remote: https://rubygems.org/
   specs:
@@ -46,10 +55,6 @@ GEM
       rb-fsevent (~> 0.10, >= 0.10.3)
       rb-inotify (~> 0.9, >= 0.9.10)
     mercenary (0.4.0)
-    minima (2.5.1)
-      jekyll (>= 3.5, < 5.0)
-      jekyll-feed (~> 0.9)
-      jekyll-seo-tag (~> 2.1)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
     public_suffix (4.0.6)
@@ -71,7 +76,7 @@ PLATFORMS
 DEPENDENCIES
   jekyll (~> 4.2.0)
   jekyll-feed (~> 0.12)
-  minima (~> 2.5)
+  minima!
   tzinfo (~> 1.2)
   tzinfo-data
   wdm (~> 0.1.1)

_config.yml

@@ -26,15 +26,21 @@ description: >- # this means to ignore newlines until "baseurl:"
   Its content is released under CC-BY-SA-4.0.
 baseurl: "" # the subpath of your site, e.g. /blog
 url: "" # the base hostname & protocol for your site, e.g. http://example.com
-mastodon:
-  - username: huy_ngo
-    instance: fosstodon.org
-github_username:  Huy-Ngo
 
 timezone: Asia/Ho_Chi_Minh
 
 # Build settings
 theme: minima
+minima:
+  skin: dark
+  date_format: "%Y-%m-%d"
+  social_links:
+    mastodon:
+      - username: huy_ngo
+        instance: fosstodon.org
+    github:  Huy-Ngo
+    twitter: false
+show_excerpts: true
 plugins:
   - jekyll-feed