Add Sidebar

Refer to https://kcore.org/ source code.

This is a note long after I finished the modification. the steps are not sure if all are included.

Step 1. Add sidebar and nav in _config.yml

defaults:
  # _posts
  - scope:
      path: ""
      type: posts
    values:
      layout: single
      author_profile: true
      show_date: true
      comments: true
      related: true
      classes: wide
      sidebar:
        nav: "site_sidebar"

Step 2. Add _includes/category-sidebar.html

copy from here

Step 3. Add following in _includes/nav_list

{% if nav.type == “categories” %}{% include_cached category-sidebar.html %}{% endif%}

Step 4. Add sidebar in _pages/posts.md

sidebar:
  nav: "site_sidebar"

Step 5. Add categories in wanted posts

categories:
  - anywords

Step 6. Append site_sidebar in _data/navigation.yml

site_sidebar:
  - title: "Categories"
    type: categories