feat: add scraper service to all Docker environments

Add eamco_scraper container definitions for dev, local, prod, and
Unraid deployments on port 9519. Remove unused Authorize env_file
references from dev config. Include add_towns.sh helper script for
bootstrapping street reference data.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

docker-compose.dev.yml

@@ -76,12 +76,8 @@ services:
       - ../eamco_authorize:/app
     ports:
       - '9516:8000'
-    env_file:
-      - .env
     environment:
       - MODE=DEVELOPMENT
-      - AUTHORIZE_API_LOGIN_ID_DEV=${AUTHORIZE_API_LOGIN_ID_DEV}
-      - AUTHORIZE_TRANSACTION_KEY_DEV=${AUTHORIZE_TRANSACTION_KEY_DEV}
       - POSTGRES_USERNAME=postgres
       - POSTGRES_PW=postgres
       - POSTGRES_SERVER=postgres_dev
@@ -112,6 +108,19 @@ services:
       - '9618:8000'
     command: 'uvicorn app.main:app --reload --host 0.0.0.0 --port 8000'
 
+  scraper_dev:
+    restart: on-failure
+    build:
+      context: ../eamco_scraper
+      dockerfile: Dockerfile.dev
+    volumes:
+      - ../eamco_scraper:/app
+    environment:
+      - MODE=dev
+    ports:
+      - '9619:8000'
+    command: 'uvicorn app.main:app --reload --host 0.0.0.0 --port 8000'
+
   postgres_dev:
     image: postgres:13
     restart: always