Rate limiting

[RLiNREL]

#70
some basic rate limiting should be implemented to the API v1

data download, 10 req/min:

• /api/v1//timeseries
• /api/wtk/timeseries*
• /api/era5/timeseries*

data query, 100 req/min:

• /api/v1/*/windspeed
• /api/v1/*/production
• /api/wtk/windspeed
• /api/wtk/production
• /api/era5/windspeed
• /api/era5/production

less cost 1000 req/min:

• /api/v1/*/grid-points
• /api/v1/*/info
• /api/v1/powercurves
• /api/healthcheck
• /api/wtk/powercurves
• /api/era5/powercurves