QAG-49: Add DDEV setup

[sampoturve]

🚧👷🏻‍♂️🏗️ Work in progress still 👷🏻‍♀️🚧

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Ticket QAG-49

See also: #420

Changes

Add a DDEV setup that works alongside Lando. Contains basic services like Adminer, Elasticsearch, GrumPHP, Kibana, Mailpit, Varnish, and some Lando commands converted to have DDEV support (GrumPHP, PHPUnit).

Summary

• Update README with instructions on how to get DDEV environment up and running
• Adminer
  • Use default configuration by ddev-adminer
• Elasticsearch
  • Use default ES configuration by ddev-elasticsearch
  • Use docker-compose.elasticsearch_extra.yaml to only override the image to use ES8 + install analysis-ukrainian and analysis-icu.
• Kibana
  • Use default configuration by ddev-kibana
  • Use docker-compose.kibana_extra.yaml to only override the image version to match ES
  • Worth to note that ddev-kibana seems to be quite small project, could be replaced with just a custom Dockerfile
• Mailpit
  • Replaces the age-old Mailhog. Supplied by DDEV.
• Varnish
  • Default ddev-varnish configuration
  • The small vcl bit from .lando/varnish.vcl added to default.vcl

Some more things to do and consider

• Consider ignoring some of the default files that are coming from ddev get. For example the ddev get ddev/ddev-varnish adds a bunch of commands under .ddev/commands/varnish that are #ddev-generated and might not need to be in the repo
• Find out the best way to initially disable some services like we now have for Lando, like ES, Kibana and Varnish (docker profiles (?) omit_containers might be the best way to do this)
• How to keep the README more tidy as the double docs for both environments aren't very nice
• Find out rest of the things that are now Lando-specific and convert them to DDEV equivalents
• Probably some more things

How to test

Testing in feature environment:

No feature environment to test in.

Local testing

Follow the instructions in the README.

Testing steps

Confirm that existing Lando services work on DDEV.

[tormi]

Let's not add DDEV services available via commands to reduce the amount of config files:

• ddev mailpit - Launch a browser with Mailpit
• ddev adminer - Launch a browser with Adminer