V48: Post and Comment Dislikes

Adds dislike functionality to the blogging module for both posts and comments.

Changes

• Creates phoenix_kit_post_dislikes table for post dislikes
• Creates phoenix_kit_comment_likes table for comment likes
• Creates phoenix_kit_comment_dislikes table for comment dislikes
• Adds dislike_count column to phoenix_kit_posts
• Adds dislike_count column to phoenix_kit_post_comments

Usage

Frontend developers can choose to display:

• Likes only
• Dislikes only
• Both likes and dislikes
• Net score (likes - dislikes)