Add "jekyll-last-modified-at" to increase accuracy of about page date

Gemfile

@@ -16,6 +16,7 @@ gem "minima", "~> 2.5"
 # If you have any plugins, put them here!
 group :jekyll_plugins do
   gem "jekyll-feed", "~> 0.12"
+  gem "jekyll-last-modified-at"
 end
 
 # Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem

Gemfile.lock

@@ -59,6 +59,9 @@ GEM
     jekyll-github-metadata (2.13.0)
       jekyll (>= 3.4, < 5.0)
       octokit (~> 4.0, != 4.4.0)
+    jekyll-last-modified-at (1.3.0)
+      jekyll (>= 3.7, < 5.0)
+      posix-spawn (~> 0.3.9)
     jekyll-redirect-from (0.16.0)
       jekyll (>= 3.3, < 5.0)
     jekyll-sass-converter (2.2.0)
@@ -88,6 +91,7 @@ GEM
       sawyer (~> 0.8.0, >= 0.5.3)
     pathutil (0.16.2)
       forwardable-extended (~> 2.6)
+    posix-spawn (0.3.15)
     public_suffix (4.0.6)
     rb-fsevent (0.11.1)
     rb-inotify (0.10.1)
@@ -122,6 +126,7 @@ DEPENDENCIES
   jekyll (~> 4.1.1)
   jekyll-feed (~> 0.12)
   jekyll-github-metadata
+  jekyll-last-modified-at
   jekyll-redirect-from
   jekyll-sitemap
   minima (~> 2.5)

_config.yml

@@ -10,6 +10,7 @@ plugins:
   - "jekyll-github-metadata"
   - jekyll-redirect-from
   - jekyll-sitemap
+  - jekyll-last-modified-at
 include:
   - _pages
 exclude:

_pages/about.md

@@ -8,7 +8,7 @@ _preview_description: My name is Ryan Walters and this is my website.
 
 My name is **Ryan Walters** and this is my website. As the domain shows, my online handle is **Xevion**.
 
-As of <i>{{ site.time | date: '%B %Y' }}</i>, I'm a Computer Science student studying at UTSA. Contact me if you're interested in working with me!
+As of <i>{{ page.last_modified_at | | date: '%B %Y' }}</i>, I'm a Computer Science student studying at UTSA. Contact me if you're interested in working with me!
 
 Software Engineering is one of my favorite things in the world; I adore projects relating to automation, pathfinding, group coordination and more...
 I like working on big projects, APIs, competition/interview problems, and in general - learning how it all works!