[IMP] improve general wording of the readme
[IMP] improve general wording of the readme

dreispt/maintainer-quality-tools,OCA/maintainer-quality-tools,acsone/maintainer-quality-tools,gurneyalex/maintainer-quality-tools,OCA/maintainer-quality-tools,gurneyalex/maintainer-quality-tools,dreispt/maintainer-quality-tools,acsone/maintainer-quality-tools,dreispt/maintainer-quality-tools,ERP-Ukraine/maintainer-quality-tools,gurneyalex/maintainer-quality-tools,acsone/maintainer-quality-tools,OCA/maintainer-quality-tools,ERP-Ukraine/maintainer-quality-tools,ERP-Ukraine/maintainer-quality-tools