deployment: déplacer compose.yaml et Dockerfile vers racine

Plus standard si focus user experience

compose.yaml

@@ -14,9 +14,7 @@ services:
     depends_on:
       - 'db'
     image: 'git.agecem.com/bottin/agendas:latest'
-    build:
+    build: '.'
-      context: '../../../'
-      dockerfile: './deployments/docker/agendas/Dockerfile'
     restart: 'unless-stopped'
     ports:
       - '3333:3333'