Update config file

_config.yml

@@ -1,35 +1,35 @@
 # Permalinks
-permalink: "/blog/:title"
+permalink: /blog/:title
 
 # Time Zone
-timezone: "Europe/Moscow"
+timezone: Europe/Moscow
 
 # Catalogs
 include:
-    - "_pages"
+    - _pages
 
 # Parsers
-highlighter: "rouge"
-markdown: "kramdown"
+highlighter: rouge
+markdown: kramdown
 
 # Markdown
 kramdown:
-    input: "GFM"
+    input: GFM
     hard_wrap: false
-    syntax_highlighter: "rouge"
+    syntax_highlighter: rouge
 
 # SASS/SCSS
 sass:
-    sass_dir: "_scss"
-    sourcemap: "never"
-    style: ":compressed"
+    sass_dir: _scss
+    sourcemap: never
+    style: :compressed
 
 # Compress HTML
 compress_html:
     blanklines: false
-    clippings: "all"
+    clippings: all
     comments: ["<!-- ", " -->"]
-    endings: []
+    endings: all
     profile: false
     startings: []
 
@@ -38,11 +38,11 @@ url: "https://valentineus.github.io"
 baseurl: ""
 
 # Site description
-title: "Valentin Popov's Technology Blog"
-description: "Tech insights and coding best practices from an OpenSource enthusiast and ethical hacker."
-email: "valentin@popov.link"
-rss: "/atom.xml"
-lang: "ru"
+title: Valentin Popov's Technology Blog
+description: Tech insights and coding best practices from an OpenSource enthusiast and ethical hacker.
+email: valentin@popov.link
+rss: /atom.xml
+lang: ru
 
 # Plugins
 plugins:
@@ -50,8 +50,8 @@ plugins:
 
 # Exceptions
 exclude:
-    - ".*"
-    - "Gemfile"
-    - "Gemfile.lock"
-    - "LICENSE.txt"
-    - "README.md"
+    - .*
+    - Gemfile
+    - Gemfile.lock
+    - LICENSE.txt
+    - README.md