Add general software profile example

[rnjudge]

This commit adds the software profile example drawio file and screenshot of the drawio diagram. The hope is that other profiles will build on top of this core example and we can generate SPDX docs for these examples to make adopting 3.0 easier.

[rnjudge]

cc @goneall

[rnjudge]

@kestewart I tried to move around the files in accordance with your suggestion for organization. Look ok?

[kestewart]

Looks great Rose! Thank you.

[goneall]

Based on @zvr comment above - I'll go ahead and merge