Address use of deprecated npm modules

[LewisGaul]

$npm install
npm WARN deprecated [email protected]: Please update to latest version
npm WARN deprecated [email protected]: This loader has been deprecated. Please use eslint-webpack-plugin
npm WARN deprecated [email protected]: core-js@<3 is no longer maintained and not recommended for usage due to the number of issues. Please, upgrade your dependencies to the actual version of core-js@3.
npm WARN deprecated [email protected]: Chokidar 2 will break on node v14+. Upgrade to chokidar 3 with 15x less dependencies.
npm WARN deprecated [email protected]: request has been deprecated, see https://github.com/request/request/issues/3142
npm WARN deprecated [email protected]: request-promise-native has been deprecated because it extends the now deprecated request package, see https://github.com/request/request/issues/3142
npm WARN deprecated @hapi/[email protected]: Switch to 'npm install joi'
npm WARN deprecated [email protected]: fsevents 1 will break on node v14+ and could be using insecure binaries. Upgrade to fsevents 2.
npm WARN deprecated [email protected]: this library is no longer supported
npm WARN deprecated [email protected]: Please see https://github.com/lydell/urix#deprecated
npm WARN deprecated @hapi/[email protected]: Moved to 'npm install @sideway/address'
npm WARN deprecated @hapi/[email protected]: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated @hapi/[email protected]: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated @hapi/[email protected]: This version has been deprecated and is no longer supported or maintained
npm WARN deprecated [email protected]: https://github.com/lydell/resolve-url#deprecated
npm WARN deprecated [email protected]: use String.prototype.padStart()