Add support for custom role names

[miguel-a-calles-mba]

You can now specify custom role names.

custom:
  serverless-iam-roles-per-function:
    customRoleName: true # defaults to false
    roleNamePrefix: prefix # required if `customRoleName` is true
    roleNameSuffix: suffix # optional

[coveralls]

Pull Request Test Coverage Report for Build 134

• 11 of 12 (91.67%) changed or added relevant lines in 1 file are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.9%) to 92.07%

---

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/lib/index.ts	11	12	91.67%

Totals
Change from base Build 128:	-0.9%
Covered Lines:	375
Relevant Lines:	399

---

💛 - Coveralls

[nadobando]

when this will be merged? I want to be able to set the naming convention, so I don't need to make every function role name shorter

[s1mrankaur]

Any update here?

[miguel-a-calles-mba]

@s1mrankaur, I stopped using this plugin and stopped worked on this PR. Are you up for working on it?