List what polyfills are included

[gheoan]

I'm submitting a feature request

Current behavior: Source code must be checked to find what polyfills are included in this library.

Expected/desired behavior:

• What is the expected behavior? There should be a list of what polyfills are included in this library.
• What is the motivation / use case for changing the behavior? Only loading missing polyfills when using other polyfills libraries besides this one.

[EisenbergEffect]

@Gheoan Sounds like a great contribution opportunity to send a PR to the readme file :)

[gheoan]

• Array.from
• Array.prototype.find
• Array.prototype.findIndex
• Array.prototype.includes
• WeakMap
• Map
• Set
• WeakSet
• Number.isNaN
• Number.isFinite
• Object.assign
• Reflect.getOwnMetadata
• Reflect.defineMetadata
• Reflect.metadata
• Reflect.defineProperty
• Reflect.construct
• Reflect.ownKeys
• String.prototype.endsWith
• String.prototype.startsWith
• Object.getOwnPropertySymbols
• Symbol

[gheoan]

PR ready: https://github.com/aurelia/polyfills/issues/38.