docs(info): review root README to integrate @icp-sdk/canisters

[peterpeterparker]

Motivation

After all of this, we can review the README at the root of the repo to integrate and promote primarly @icp-sdk/canisters.

[github-actions]

size-limit report 📦

Path	Size
@dfinity/ckbtc	8.2 KB (0%)
@dfinity/cketh	3.69 KB (0%)
@dfinity/cmc	1.43 KB (0%)
@dfinity/ledger-icrc	4.69 KB (0%)
@dfinity/ledger-icp	7.16 KB (0%)
@dfinity/nns	27.17 KB (0%)
@dfinity/nns-proto	140.99 KB (0%)
@dfinity/sns	16.43 KB (0%)
@dfinity/utils	5.11 KB (0%)
@dfinity/zod-schemas	627 B (0%)
@dfinity/ic-management	4.41 KB (0%)
@icp-sdk/canisters/ckbtc	8.2 KB (0%)
@icp-sdk/canisters/cketh	3.69 KB (0%)
@icp-sdk/canisters/cmc	1.43 KB (0%)
@icp-sdk/canisters/ledger/icrc	4.68 KB (0%)
@icp-sdk/canisters/ledger/icp	7.17 KB (0%)
@icp-sdk/canisters/nns	30.25 KB (0%)
@icp-sdk/canisters/sns	19.5 KB (0%)
@icp-sdk/canisters/ic-management	4.41 KB (0%)