feat: dem schema

[vitaligi]

add 2 schemas:

1. common schema to be shared across dem services
2. dem-gateway service specific schema

[github-actions]

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I've packed this commit for you 😊
You can install it like this:

{
  "dependencies": {
      "@map-colonies/schemas": "https://ghatmpstorage.blob.core.windows.net/npm-packages/schemas-0b6d25f07a10af6631a598960d28caac71773f75.tgz"
  }
}

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[github-actions]

Hi it is me, your friendly bot helper! 👋
I've packed this commit for you 😊
You can install it like this:

{
  "dependencies": {
      "@map-colonies/schemas": "https://ghatmpstorage.blob.core.windows.net/npm-packages/schemas-f0bfe26e85cb3273a75e4bed6ecc87999496df2f.tgz"
  }
}

The link will expire in a week ⌛

[github-actions]

Hi it is me, your friendly bot helper! 👋
I've packed this commit for you 😊
You can install it like this:

{
  "dependencies": {
      "@map-colonies/schemas": "https://ghatmpstorage.blob.core.windows.net/npm-packages/schemas-fe47344e461854b17da8781960bfd493e3c4fd86.tgz"
  }
}

The link will expire in a week ⌛

[github-actions]

Hi it is me, your friendly bot helper! 👋
I've packed this commit for you 😊
You can install it like this:

{
  "dependencies": {
      "@map-colonies/schemas": "https://ghatmpstorage.blob.core.windows.net/npm-packages/schemas-6939db3448a04daf1d79ab5f8ecfadeab67237c8.tgz"
  }
}

The link will expire in a week ⌛