Enable jekyll-feed and jekyll-sitemap for SEO

Gemfile

@@ -19,6 +19,7 @@ gem "ffi", "~> 1.9.24"
 group :jekyll_plugins do
   gem "jekyll-font-awesome-sass"
   gem "jekyll-feed", "~> 0.6"
+  gem "jekyll-sitemap", "~> 1.2.0"
   gem "jekyll-git_metadata"
   gem "jekyll-asciidoc", "~> 2.1"
 end

Gemfile.lock

@@ -42,6 +42,8 @@ GEM
       jekyll (~> 3.0)
     jekyll-sass-converter (1.5.2)
       sass (~> 3.4)
+    jekyll-sitemap (1.2.0)
+      jekyll (~> 3.3)
     jekyll-watch (2.1.2)
       listen (~> 3.0)
     kramdown (1.17.0)
@@ -80,6 +82,7 @@ DEPENDENCIES
   jekyll-feed (~> 0.6)
   jekyll-font-awesome-sass
   jekyll-git_metadata
+  jekyll-sitemap (~> 1.2.0)
   tzinfo-data
 
 BUNDLED WITH

_articles/index.adoc

@@ -1,2 +1,3 @@
 = Articles
 :page-layout: article-list
+:page-draft: true

_config.yml

@@ -14,16 +14,15 @@
 # You can create any custom variable you would like, and they will be accessible
 # in the templates via {{ site.myvariable }}.
 title: Chiwan Park
+author: Chiwan Park
 email: chiwanpark@icloud.com
-description: >-
-  Write an awesome description for your new site here. You can edit this
-  line in _config.yml. It will appear in your document head meta (for
-  Google search results) and in your feed.xml site description.
 baseurl: ""
 url: "https://chiwanpark.com"
 
 # Collections
 collections:
+  posts:
+    output: false
   articles:
     output: true
     permalink: /:collection/:path.html
@@ -40,6 +39,13 @@ asciidoc: {}
 asciidoctor:
   attributes:
     source-highlighter: highlightjs
+feed:
+  collections:
+    articles:
+      path: "/feed.xml"
+    posts:
+      path: "/feed-dummy.xml" # prevent create RSS feed from posts collection
+sitemap: true
 
 # Exclude from processing.
 # The following items will not be processed, by default. Create a custom list