perf: rework benchmarks (#1044)

* perf: rework benchmarks

* abstract everything into a utils folder

* fix spacing

* fix file structure naming to camelcase

* add accounts balance benchmarks

* expand the benches readme

* add benches for accoutns vesting info

* add accounts validate to the benchmarks

* add accounts staking endpoints

* add pallets staking progress

* add pallets storage

* add readme

* add pallets palletid storage storageId endpoint

* add paras endpoint

* add /paras/leases/current

* added /paras/auctions/current

* add /paras/crowdloans

* add `/paras/{paraId}/crowdloans-info`

* add /paras/{paraId}/leas-info

* update readme

* fix logging

* change returned logging

* add comment to sidecar script api

* switch scripts to use a different launchProcess response

* fix e2e-helpers statusresponse

* fix stdout and stderr

* add script to package.json

* cleanup script

* add WRK_TIME_LENGTH

* fix grumble

* fix grumbles

* delete benchmarks.txt

* add benchmarks.txt to gitignore

* cleanup consoles

* start docs

* cleanup code

* finish benchmark docs

* cleanup script

* add accounts convert to benchmarks

* rename blocks

* add blocks header

* add blocks extrinsics

* add blocks head

* add blocks head header

* add node network

* add node transaction pool

* add node version

* add nomination pools

* add runtime spec

* add transaction material

* add pallets staking validators

* add pallets errors

* add pallets errors errorItem

* allow linting of scripts, and lint the scripts directory

* set parser types for e2e scripts

* update readme

* add license

* update benchmarks readme

* fix grumble