Documentation is bloated and requires too much reading

[kevinlinxc]

Title.

I've referred several people to this repository and they always come back confused.

From my understanding, all you need for a quick start is:

• pip install line_profiler
• add @profile to a function in script.py
• run kernprof -lv script.py

The documentation takes hundreds of words to describe this, and even mixes the order of the last two and doesn't treat the -v view option as default. Why would I, the average Python developer care about the lprof file? I just want to know how slow my function is. Make what most people need front and center, and put the advanced usage below that.

[Erotemic]

I would merge a PR that improves the docs.

[BrianPugh]

Created a PR that outlines these 3 major steps.