add filter support via config file

[dogancanbakir]

Closes #652

$ cat pc.yaml
- # provider is the name of the provider
  provider: aws
  # id is the name defined by user for filtering (optional)
  id: staging
  # aws_access_key is the access key for AWS account
  aws_access_key: $AWS_ACCESS_KEY
  # aws_secret_key is the secret key for AWS account
  aws_secret_key: $AWS_SECRET_KEY
  # aws_session_token session token for temporary security credentials retrieved via STS (optional)
  aws_session_token: $AWS_SESSION_TOKEN
  services:
    - "s3"
    - "instance"

$ go run . -p aws

  _______             _____     __ 
 / ___/ /__  __ _____/ / (_)__ / /_
/ /__/ / _ \/ // / _  / / (_-</ __/
\___/_/\___/\_,_/\_,_/_/_/___/\__/ 

                projectdiscovery.io

[INF] Current cloudlist version 1.2.0 (latest)
[INF] Listing assets from provider: aws services: s3,instance id: staging
...
[INF] Found 1 Hosts and 3 IP Addresses for aws (staging)