codimd: Fix bug after switch to hedgedoc image

The hedgedoc image stores the software in `/hedgedoc` and therefore the
container fails while trying to mount the tempfs. This patch fixes the
problem by renaming the path properly.

roles/codimd/templates/docker-compose.yml

@@ -58,7 +58,7 @@ services:
     tmpfs:
       - /tmp:size=10M
 {% if not codimd_uploads_local %}
-      - /codimd/public/uploads:size=10M
+      - /hedgedoc/public/uploads:size=10M
 {% endif %}
     environment:
       - "CMD_DB_URL=postgres://{{ codimd_database_user }}:{{ codimd_database_password }}@database:5432/{{ codimd_database_name }}"