Fix missing theme with 404 error

Signed-off-by: Dongjin Kim <tobetter@gmail.com>
Change-Id: I920d6cff5b2ce8eb93cb68b5f1bb5fbf30d7170d

Author: tobetter

.github/workflows/gh-pages.yml

@@ -0,0 +1,46 @@
+name: LinuxFactory
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  build:
+    name: Build site
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Setup Ruby
+        uses: ruby/setup-ruby@v1
+        with:
+          ruby-version: '3.1'
+          bundler-cache: true
+
+      - name: Install dependencies
+        run: bundle install --jobs 4 --retry 3
+
+      - name: Build Jekyll site
+        run: bundle exec jekyll build --destination _site
+
+  deploy:
+    name: Deploy to GitHub Pages
+    needs: build
+    runs-on: ubuntu-latest
+    if: github.ref == 'refs/heads/main' && github.event_name == 'push'
+
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v3
+
+      - name: Deploy with gh-pages action
+        uses: peaceiris/actions-gh-pages@v4
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./_site

Gemfile

@@ -1,37 +1,3 @@
-source "https://rubygems.org"
-# Hello! This is where you manage which Jekyll version is used to run.
-# When you want to use a different version, change it below, save the
-# file and run `bundle install`. Run Jekyll with `bundle exec`, like so:
-#
-#     bundle exec jekyll serve
-#
-# This will help ensure the proper Jekyll version is running.
-# Happy Jekylling!
-# gem "jekyll", "~> 4.1.1"
-# This is the default theme for new Jekyll sites. You may change this to anything you like.
-gem "jekyll-rtd-theme", "~> 2.0.10"
-# 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
-# If you have any plugins, put them here!
-group :jekyll_plugins do
-  gem "jekyll-remote-theme"
-  gem "jekyll-default-layout"
-  gem "jekyll-readme-index"
-  gem "jekyll-github-metadata"
-  gem "jekyll-titles-from-headings"
-  gem "jemoji"
-  gem "jekyll-avatar"
-  gem "jekyll-mentions"
-end
-
-# Windows and JRuby does not include zoneinfo files, so bundle the tzinfo-data gem
-# and associated library.
-platforms :mingw, :x64_mingw, :mswin, :jruby do
-  gem "tzinfo", "~> 1.2"
-  gem "tzinfo-data"
-end
-
-# Performance-booster for watching directories on Windows
-gem "wdm", "~> 0.1.1", :platforms => [:mingw, :x64_mingw, :mswin]
+source 'https://rubygems.org'
 
+gem "github-pages", group: :jekyll_plugins