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.

docker-compose.yml

@@ -1,18 +0,0 @@
-version: "3"
-
-services:
-  cache:
-    image: "redis:alpine"
-    container_name: pagoda_cache
-    ports:
-      - "127.0.0.1:6379:6379"
-  db:
-    # PG 16 is currently not supported https://github.com/ent/ent/issues/3750
-    image: postgres:15-alpine
-    container_name: pagoda_db
-    ports:
-      - "127.0.0.1:5432:5432"
-    environment:
-      - POSTGRES_USER=admin
-      - POSTGRES_PASSWORD=admin
-      - POSTGRES_DB=app