rename original gangsta to gang

app/controllers/gangs_controller.rb

@@ -0,0 +1,28 @@
+class GangsController < ApplicationController
+  def show
+    if Gang.count.zero?
+      Gang.create.save
+    end
+
+    json_response Gang.first
+  end
+
+  def update
+    if gang_params[:chip_scale].to_i.positive?
+      Gang.update(gang_params)
+      json_response onboarded: true
+    else
+      error_response :bad_request
+    end
+  end
+
+  private
+
+  def gang_params
+    params.require(:gang).permit :chip_name,
+                                 :chip_code,
+                                 :chip_symbol,
+                                 :chip_scale,
+                                 :chip_prefixed
+  end
+end