Create tagging system (#792)

* Repro

* Fix

* Update signage

* Create tagging system

* Add tags to transaction imports

* Build tagging UI

* Cleanup

* More cleanup

db/migrate/20240522133147_create_tags.rb

@@ -0,0 +1,10 @@
+class CreateTags < ActiveRecord::Migration[7.2]
+  def change
+    create_table :tags, id: :uuid do |t|
+      t.string :name
+      t.string "color", default: "#e99537", null: false
+      t.references :family, null: false, foreign_key: true, type: :uuid
+      t.timestamps
+    end
+  end
+end

db/migrate/20240522151453_create_taggings.rb

@@ -0,0 +1,9 @@
+class CreateTaggings < ActiveRecord::Migration[7.2]
+  def change
+    create_table :taggings, id: :uuid do |t|
+      t.references :tag, null: false, foreign_key: true, type: :uuid
+      t.references :taggable, polymorphic: true, type: :uuid
+      t.timestamps
+    end
+  end
+end