[DMN] feat(dendrite): Add Dendrite - if this works

[StevenMcElligott]

Description

This still needs a TON of work, but wanted to get somewhere and then ask for help

Need to figure out the configmap and toYAML and then the key generation from the Helm Chart

⚒️ Fixes #

⚙️ Type of change

• [ ] ⚙️ Feature/App addition
• [ ] 🪛 Bugfix
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to not work as expected)
• [ ] 🔃 Refactor of current code

🧪 How Has This Been Tested?

📃 Notes:

✔️ Checklist:

• [ ] ⚖️ My code follows the style guidelines of this project
• [ ] 👀 I have performed a self-review of my own code
• [ ] #️⃣ I have commented my code, particularly in hard-to-understand areas
• [ ] 📄 I have made corresponding changes to the documentation
• [ ] ⚠️ My changes generate no new warnings
• [ ] 🧪 I have added tests to this description that prove my fix is effective or that my feature works
• [ ] ⬆️ I increased versions for any altered app according to semantic versioning

➕ App addition

If this PR is an app addition please make sure you have done the following.

• [ ] 🖼️ I have added an icon in the Chart's root directory called icon.png

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[StevenMcElligott]

Basically this is used for key generation in Helm -> https://github.com/matrix-org/dendrite/blob/main/helm/dendrite/templates/jobs.yaml, I dunno how to do it otherwise since in docker they want people to run a command, so either the "helm" way or the docker way with an init container

[StevenMcElligott]

@stavros-k does this make more sense? I used Dashy as a template, but missing one key thing I think

[CLAassistant]

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1 out of 2 committers have signed the CLA.

:white_check_mark: StevenMcElligott
:x: Kjeld Schouten

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[alfi0812]

Close because of inactivity.