feat: authentication with oauth2 / openIdConnect

[danielgolub]

Is your feature request related to a problem? Please describe.
Missing support for oauth2 / openIdConnect in security schemes.

Describe the solution you'd like
Need to add support here:

openapi-middleware/lib/SecurityValidator.js

Lines 52 to 59 in 091db91

	properties: {
	type: {
	type: 'string',
	eq: [
	'http', 'apiKey',
	// TODO: add oauth2 + openIdConnect authentication type
	// 'oauth2', 'openIdConnect'
	],

Describe alternatives you've considered
N/A

Additional context
N/A