Feature Request: compose_v2 inline definition

[TheOneValen]

SUMMARY

Please allow an inline definition of the compose content instead of using a project_src like with V1.

ISSUE TYPE

• Feature as in V1

COMPONENT NAME

• Same as V1?

ADDITIONAL INFORMATION

for example:

    - name: Start flask project with inline definition
      community.docker.docker_compose_v2:
        project_name: flask
        definition:
          version: '2'
          services:
            db:
              image: postgres
            web:
              build: "{{ playbook_dir }}/flask"
              command: "python manage.py runserver 0.0.0.0:8000"
              volumes:
                - "{{ playbook_dir }}/flask:/code"
              ports:
                - "8000:8000"
              depends_on:
                - db
      register: output

[felixfontein]

I've started implementing this in #832.