Update adhoc readme for more adhoc modes

[Rperry2174]

@korniltsev can you please help me make the docs more generic / make sense to run from scratch in our examples folder?
i.e. pyroscope-cli vs ./bin/pyroscope which one should I use? Should I already have both downloaded, etc.

[github-actions]

Flamegraph.com report

pyroscope-oss.frontend.cpu.json

See in flamegraph.com

pyroscope-oss.frontend.inuse_objects.json

See in flamegraph.com

pyroscope-oss.frontend.inuse_space.json

See in flamegraph.com

Created by Flamegraph.com Github Action

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
webapp/public/assets/app.js	998.48 KB (0%)	20 s (0%)	4.6 s (+19.12% 🔺)	24.6 s
webapp/public/assets/app.css	19.9 KB (0%)	399 ms (0%)	0 ms (+100% 🔺)	399 ms
webapp/public/assets/styles.css	9.6 KB (0%)	192 ms (0%)	0 ms (+100% 🔺)	192 ms
packages/pyroscope-flamegraph/dist/index.js	625.75 KB (0%)	12.6 s (0%)	1.8 s (+17.28% 🔺)	14.3 s
packages/pyroscope-flamegraph/dist/index.node.js	626.45 KB (0%)	12.6 s (0%)	1.1 s (-3.93% 🔽)	13.6 s
packages/pyroscope-flamegraph/dist/index.css	8.14 KB (0%)	163 ms (0%)	0 ms (+100% 🔺)	163 ms

[github-actions]

Flamegraph.com report

pyroscope-oss.alloc_objects.json

See in flamegraph.com

pyroscope-oss.alloc_space.json

See in flamegraph.com

pyroscope-oss.cpu.json

See in flamegraph.com

pyroscope-oss.goroutines.json

See in flamegraph.com

pyroscope-oss.inuse_objects.json

See in flamegraph.com

pyroscope-oss.inuse_space.json

See in flamegraph.com

Created by Flamegraph.com Github Action

[korniltsev]

LGTM with one comment