Introduce Booths for admin

db/migrate/20170516190048_create_booths.rb

@@ -0,0 +1,16 @@
+class CreateBooths < ActiveRecord::Migration
+  def change
+    create_table :booths do |t|
+      t.string :title
+      t.text :description
+      t.text :reasoning
+      t.string :state
+      t.string :logo_link
+      t.string :website_url
+      t.text :submitter_relationship
+      t.references :conference
+
+      t.timestamps null: false
+    end
+  end
+end

db/migrate/20170530112510_create_booth_requests.rb

@@ -0,0 +1,11 @@
+class CreateBoothRequests < ActiveRecord::Migration
+  def change
+    create_table :booth_requests do |t|
+      t.references :booth, index: true, foreign_key: true
+      t.references :user, index: true, foreign_key: true
+      t.string :role
+
+      t.timestamps null: false
+    end
+  end
+end