Default to SQLite rather than Postgres & Redis (#72)

* Initial rough draft switch to sqlite.

* Rewrote cache implemenation.

* Provide typed tasks.

* Task cleanup.

* Use same db for tasks.

* Provide task queue registration and service container injection.

* Added optional delay to tasks. Pool buffers when encoding.

* Added tests for the task client and runner.

* Added handler examples for caching and tasks.

* Cleanup and documentation.

* Use make in workflow.

* Updated documentation.

* Updated documentation.

templates/layouts/main.gohtml

@@ -28,6 +28,8 @@
                             <li>{{link (url "home") "Dashboard" .Path}}</li>
                             <li>{{link (url "about") "About" .Path}}</li>
                             <li>{{link (url "contact") "Contact" .Path}}</li>
+                            <li>{{link (url "cache") "Cache" .Path}}</li>
+                            <li>{{link (url "task") "Task" .Path}}</li>
                         </ul>
 
                         <p class="menu-label">Account</p>