✨ feat: add series functionality (#406)

Co-authored-by: welpo <welpo@users.noreply.github.com>

config.toml

@@ -157,6 +157,16 @@ show_date = true
 # "both" - Show both the original date and the last updated date.
 post_listing_date = "date"
 
+# Show "Jump to posts" link next to series' title.
+# By default, the link appears automatically when a series description exceeds 2000 characters.
+# Can be set at page or section levels, following the hierarchy: page > section > config. See: https://welpo.github.io/tabi/blog/mastering-tabi-settings/#settings-hierarchy
+# show_jump_to_posts = true
+
+# Determines if indexes should be increasing (false) or decreasing (true) in series' posts list.
+# It has only effect if the section uses indexes metadata (which is only the case for series as of now).
+# Can be set at section levels, following the hierarchy: section > config. See: https://welpo.github.io/tabi/blog/mastering-tabi-settings/#settings-hierarchy
+post_listing_index_reversed = false  # Defaults to false.
+
 # DEPRECATED!
 # Use Zola's built-in `bottom_footnotes = true` in the [markdown] section instead. (Available since v0.19.0)
 # Adds backlinks to footnotes (loads ~500 bytes of JavaScripts).