Added some preliminary database stuff; added a script to mock adding a post to the DB

db/migrations/0001_add_posts_table.rb

@@ -0,0 +1,18 @@
+Sequel.migration do
+
+  up do
+    create_table(:posts) do
+      primary_key :id
+      String :text, null: false
+      DateTime :publish_at
+      Boolean :published, default: false
+      DateTime :created_at
+      DateTime :updated_at
+    end
+  end
+
+  down do
+    drop_table(:posts)
+  end
+
+end