I like someone with ambition - this is not an easy route.
Before you start the ball rolling, you might want to make enquiries with your insurer, to see how much your premium will rise (or if they will refuse to cover you).
Another option might just be to buy a 'hot clio' - it may be a whole lot less hassle & cheaper too.
Its a lot more than swapping an engine/gearbox/driveshafts/exhaust & some electrics - you will need the suspension & brakes also (as its a bit irresponsible to increase the weight & power, but run everything else as standard).
If you can find a donor which has been T-boned, rolled, or rear-ended, you would be best to buy the car complete, and start stripping your own down & fitting components from the donor car.
Obviously, this isn't a job to be done in a weekend, more like a month (at least). Nor at the roadside.
Some costs can be offset by selling parts from both cars, which aren't needed.
HTH
Some would just stick a few badges on the car, so congratulations on trying to make it 'do what it says on the tin'.
Paul