chore(config): cleanup

_config.yml

@@ -39,14 +39,35 @@ collections:
 
 rss_post_limit: 10000
 
+feed:
+  collections:
+    posts:
+      path: /feed.xml
+    notes:
+      path: /notes.xml
+
 plugins:
+  - jekyll-deploy
+  - jekyll-feed
   - jekyll-redirect-from
   - jemoji
 
-exclude: 
-  - Rakefile
-  - README.md
-  - Gemfile
-  - Gemfile.lock
-  - .jekyll-cache
-  - .gitignore
+# Exclude from processing.
+# The following items will not be processed, by default.
+# Any item listed under the `exclude:` key here will be automatically added to
+# the internal "default list".
+#
+# Excluded items can be processed by explicitly listing the directories or
+# their entries' file path in the `include:` list.
+#
+# exclude:
+#   - .sass-cache/
+#   - .jekyll-cache/
+#   - gemfiles/
+#   - Gemfile
+#   - Gemfile.lock
+#   - node_modules/
+#   - vendor/bundle/
+#   - vendor/cache/
+#   - vendor/gems/
+#   - vendor/ruby/