Add Bullet gem for dev & fix N+1 queries issues for core index actions

Gemfile.lock

@@ -91,6 +91,9 @@ GEM
     brakeman (8.0.4)
       racc
     builder (3.3.0)
+    bullet (8.1.0)
+      activesupport (>= 3.0.0)
+      uniform_notifier (~> 1.11)
     capybara (3.40.0)
       addressable
       matrix
@@ -424,6 +427,7 @@ GEM
     unicode-display_width (3.2.0)
       unicode-emoji (~> 4.1)
     unicode-emoji (4.2.0)
+    uniform_notifier (1.18.0)
     uri (1.1.1)
     useragent (0.16.11)
     web-console (4.3.0)
@@ -455,6 +459,7 @@ DEPENDENCIES
   bootsnap
   bootstrap (~> 5.3.3)
   brakeman
+  bullet
   capybara
   csv
   damerau-levenshtein