Declaring dotnetDir closer to it's scope

[frnkq]

Declaring dotnetDir closer to it's scope

[ShreyasZare]

Thanks for the PR. Please let me know how does this improve the existing script.

[frnkq]

It improves it by providing better code readability

[ShreyasZare]

It improves it by providing better code readability

The config variables in the script were deliberately put on top to allow reading all of them in one go and to be able to modify them easily if needed instead of searching through all lines in the code to find them.