Covariates production raster modifications -transforming scrip into function

Covariates production raster first step turning script into function

Data covariates preparation, slight modifications and updates

Venezuela preparation of data for tmax prediction

Covariates production, modified projection and distance to coast, added writing up of multiband covariates brick

Covariates production, major reorganization, added sections for LST, LC and other covariates

Covariates production for processing tile/region: general code-initial commit