Create platform endpoint

[Dawid Kraczkowski]

Platform endpoint is responsible for managing basic platform configuration like:

• theme
• title
• database settings

Usage

POST /platform
{
    "configuration": [
        {"key": "title", "value": "My shiny blog"},
        {"key": "database": "value": {"type": "sqlite", "meta": {"name": "shiny-db"}}},
        {"key": "owner": value: {"username": <email>, "password": <string>}}
    ]     
}

Successful response:

HTTP 200 OK
{
    "status": "installed",
    "configuration": [
        {"key": "title", "value": "My shiny blog"},
        {"key": "database": "value": {"type": "sqlite", "meta": {"name": "shiny-db"}}}
    ]
}

Failed response:

HTTP 412 Precondition failed
{
    "error": {number},
    "reason": "Platform has been already installed"
}