database needs to be changed to db

[kjellouli]

Can't connect to redis, it results in ERR invalid db index. database in redis.datasource.ts needs to be changed to db in line:

loopback4-starter/src/datasources/redis.datasource.ts

Line 17 in e76d8d7

database: process.env.REDIS_DATABASE,

as per:

https://github.com/DefinitelyTyped/DefinitelyTyped/blob/f574f4aa1344774ef08caf8c9e2f994c4e7fa30e/types/ioredis/index.d.ts#L948

[samarpan-b]

Thanks for the update @kjellouli . Would you mind raising a PR for this ? I can merge it then.

[kjellouli]

#34

[samarpan-b]

Merged