Function to specify `Align` to `Label`

[rustbasic]

Function to specify Align to Label

There are cases where you want to display Label on the left or right regardless of other Layout specifications.

Before : Note the part showing the rust source code.

After : Note the part showing the rust source code.

[bircni]

maybe change the function name to text_align as this only aligns the text inside the label not the label itself

[rustbasic]

maybe change the function name to text_align as this only aligns the text inside the label not the label itself

Yes, that would be great too. Let's wait for emilk's review.