Implemented funkwhale draft

roles/docker-funkwhale/templates/docker-compose.yml.j2

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+version: "3"
+services:
+  funkwhale:
+    container_name: funkwhale
+    restart: unless-stopped
+    image: funkwhale/all-in-one:{{funkwhale_version}}
+    env_file: env
+    volumes:
+      - data:/data
+    ports:
+      - "127.0.0.1:{{http_port}}:{{http_port}}"
+volumes:
+  data:

roles/docker-funkwhale/templates/env.j2

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+FUNKWHALE_HOSTNAME={{domain}}
+FUNKWHALE_PROTOCOL=https
+# This limits the upload size
+NGINX_MAX_BODY_SIZE=100M
+# Bind to localhost
+FUNKWHALE_API_IP=127.0.0.1
+# Container port you want to expose on the host
+FUNKWHALE_API_PORT={{http_port}}
+# Generate and store a secure secret key for your instance
+DJANGO_SECRET_KEY={{funkwhale_django_secret}}
+# Remove this if you expose the container directly on ports 80/443
+NESTED_PROXY=1