Merge pull request #19 from homeroom-live/renovate/tslint-config-pret…

…tier-1.x

chore(deps): update dependency tslint-config-prettier to v1.15.0

fix(docs): Fix readme example

Fix readme

fix(core): Files leak

fix(core): Added processor tests

Merge branch 'master' of https://github.com/homeroom-live/graphql-mid…

…dleware-upload

fix(renovate): Fix renovate config

fix(core): Forward only upload args

fix(core): Forward only defined args

fix(docs): Add description

fix(docs): Add install section