Add comment

Author: rossta

config/database.yml

@@ -14,6 +14,8 @@ default: &default
 development:
   primary:
     <<: *default
+    # Why read the branch name? So we can support having a separate database for each branch in development.
+    # For more info, see: https://fractaledmind.github.io/2023/09/06/enhancing-rails-sqlite-branch-databases/
     database: storage/development/data-<%= (`git branch --show-current`.chomp || 'default').parameterize %>.sqlite3
   cache:
     <<: *default