Adds positioning Gem (#2390)

Author: rosschapman

Gemfile

@@ -58,6 +58,8 @@ gem "active_record_extended", "~> 3.2"
 gem "activerecord-postgres_enum", "~> 2.0"
 # Support for models with "slots" or "positions"
 gem "ranked-model", "~> 0.4.9"
+gem "positioning"
+
 # Slug-based model lookup
 gem "friendly_id", "~> 5.5.1"
 # Hashing / Encrypting data at rest

Gemfile.lock

@@ -298,6 +298,9 @@ GEM
       ast (~> 2.4.1)
       racc
     pg (1.5.6)
+    positioning (0.2.1)
+      activerecord (>= 6.1)
+      activesupport (>= 6.1)
     pry (0.14.1)
       coderay (~> 1.1)
       method_source (~> 1.0)
@@ -566,6 +569,7 @@ DEPENDENCIES
   money-rails
   pagy (~> 8.3)
   pg (~> 1.5)
+  positioning
   pry-byebug
   puma (~> 6.4)
   pundit (~> 2.3)