set up example scaffold with rspec + factorybot tests

app/controllers/dashboard/examples_controller.rb

@@ -0,0 +1,60 @@
+module Dashboard
+  class ExamplesController < ApplicationController
+    before_action :set_example, only: %i[ show edit update destroy ]
+
+    # GET /examples
+    def index
+      @examples = Example.all
+    end
+
+    # GET /examples/1
+    def show
+    end
+
+    # GET /examples/new
+    def new
+      @example = Example.new
+    end
+
+    # GET /examples/1/edit
+    def edit
+    end
+
+    # POST /examples
+    def create
+      @example = Example.new(example_params)
+
+      if @example.save
+        redirect_to @example, notice: "Example was successfully created."
+      else
+        render :new, status: :unprocessable_entity
+      end
+    end
+
+    # PATCH/PUT /examples/1
+    def update
+      if @example.update(example_params)
+        redirect_to @example, notice: "Example was successfully updated.", status: :see_other
+      else
+        render :edit, status: :unprocessable_entity
+      end
+    end
+
+    # DELETE /examples/1
+    def destroy
+      @example.destroy!
+      redirect_to examples_url, notice: "Example was successfully destroyed.", status: :see_other
+    end
+
+    private
+      # Use callbacks to share common setup or constraints between actions.
+      def set_example
+        @example = Example.find(params[:id])
+      end
+
+      # Only allow a list of trusted parameters through.
+      def example_params
+        params.require(:example).permit(:text, :body)
+      end
+  end
+end