Merge pull request 'Add Dev Container' (#2) from devcontainer into main

Reviewed-on: https://www.coastalcommits.com/cswimr/PyZipline/pulls/2

.devcontainer/docker-compose.yml

@@ -1,54 +0,0 @@
-version: "3"
-services:
-  devcontainer:
-    container_name: devcontainer
-    build:
-      context: .
-      dockerfile: Dockerfile
-
-  postgres:
-    container_name: zipline-database
-    image: postgres:16
-    restart: unless-stopped
-    environment:
-      POSTGRES_USER: zipline
-      POSTGRES_PASSWORD: zipline
-      POSTGRES_DATABASE: zipline
-    volumes:
-      - pg_data:/var/lib/postgresql/data
-    healthcheck:
-      test: ["CMD-SHELL", "pg_isready -U postgres"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-
-  zipline:
-    container_name: zipline
-    image: ghcr.io/diced/zipline:v4
-    environment:
-      CORE_SECRET: "secret"
-      CORE_PORT: 3001
-      CORE_HOSTNAME: 0.0.0.0
-      DATABASE_URL: postgres://zipline:zipline@postgres:5432/zipline
-      DATASOURCE_TYPE: local
-      DATASOURCE_LOCAL_DIRECTORY: /zipline/uploads
-    ports:
-      - "3001:3001"
-    restart: unless-stopped
-    volumes:
-      - data:/zipline/public
-      - themes:/zipline/themes
-      - uploads:/zipline/uploads
-    depends_on:
-      - "postgres"
-    healthcheck:
-      test: ["CMD-SHELL", "wget -q --spider http://localhost:3001 || exit 1"]
-      interval: 10s
-      timeout: 5s
-      retries: 5
-
-volumes:
-  pg_data:
-  data:
-  themes:
-  uploads: