Added support for token auth (rebased, ci fixed)

[bogdad]

Description

This patch adds support for token auth to make it easier to use backward compatibility API of influxdb 2.0

(it is the same pull request as this one https://github.com/influxdb-rs/influxdb-rust/pull/89 by @sunng87 rebased to latest master and ci fixed, here is the same pr passing ci https://github.com/bogdad/influxdb-rust/actions/runs/4326935604)

Checklist

• [x] Formatted code using cargo fmt --all
• [x] Linted code using clippy
  • [x] with reqwest feature: cargo clippy --manifest-path influxdb/Cargo.toml --all-targets --no-default-features --features use-serde,derive,reqwest-client -- -D warnings
  • [x] with surf feature: cargo clippy --manifest-path influxdb/Cargo.toml --all-targets --no-default-features --features use-serde,derive,hyper-client -- -D warnings
• [x] Updated README.md using cargo readme -r influxdb -t ../README.tpl > README.md
• [x] Reviewed the diff. Did you leave any print statements or unnecessary comments?
• [x] Any unfinished work that warrants a separate issue captured in an issue with a TODO code comment

[Empty2k12]

Thanks. Will be released soon by @msrd0

[bogdad]

Thank you!