getWindShearT for Shear_LogLaw not implemented

Current code:
```
function shear = getWindShearT(WindShear,z)
%GETWINDSHEART Return wind direction in SOWFA-deg for the requested
%turbine(s)
% LOG LAW implementation
% ======= Input ======
% WindShear = 
% z         = height(s)

shear = zeros(size(z));
end
```