Results from real runs: before and after table, 3 upstream PRs, landing numbers

README gains the v1 to v2 table from neatlogs traces (2 to 3 of 4 quickstarts finish, 0 to 3 failed steps recovered, 0.0262 to 0.0200 USD per run) and the real-world table: dbt, Entire, AccuKnox and MkDocs verified, with dbt-labs/docs.getdbt.com#10149, #10150 and entireio/cli#2724 open. The landing page shows the same numbers. Evidence refreshed: graph saved about 32,939 tokens.