docs: Added the intro tutorial

[robdmoore]

docs: Moved the guiding principles to make the root README.md less noisy
docs: More documentation feedback

[github-actions]

Coverage Report

File	Stmts	Miss	Cover	Missing
src/algokit
__init__.py	15	7	53%	6–13, 17–24, 32–34
__main__.py	2	2	0%	1–3
src/algokit/cli
completions.py	105	2	98%	78, 93
doctor.py	48	3	94%	138–140
goal.py	30	1	97%	37
init.py	180	16	91%	261–262, 284, 287–289, 300, 344, 370, 410, 419–421, 424–429, 442
localnet.py	91	3	97%	157, 178–179
src/algokit/core
bootstrap.py	133	16	88%	109, 132, 197, 200, 206–220
conf.py	30	4	87%	13, 17, 25, 27
doctor.py	65	7	89%	67–69, 92–94, 134
log_handlers.py	68	7	90%	50–51, 63, 112–116, 125
proc.py	45	1	98%	98
sandbox.py	117	15	87%	84–91, 102, 167, 183, 198–200, 216
version_prompt.py	73	8	89%	27–28, 40, 59–62, 80, 109
TOTAL	1140	92	92%

Tests	Skipped	Failures	Errors	Time
187	0 💤	0 ❌	0 🔥	13.217s ⏱️