chore: move docker files to root directory

Move Dockerfile, ipatool, and docker-compose.yml from the docker directory to the root directory to simplify the project structure and improve maintainability. Update the paths in the Dockerfile to reflect the new locations.

docker-compose.yml

@@ -0,0 +1,20 @@
+version: "3.8"
+name: ${CONTAINER_NAME}
+
+services:
+  ipago:
+    build:
+      context: .
+      dockerfile: Dockerfile
+    restart: always
+    container_name: ipago-${CONTAINER_NAME}
+    hostname: ipago
+    environment:
+      - CONTAINER_NAME=${CONTAINER_NAME}
+      - PORT=${PORT}
+    ports:
+      - "${PORT}:8000"
+
+networks:
+  default:
+    name: ipago