[Feature] Throw error on unsupported methods from configurable rights pool

[MickdeGraaf]

User Story

• As an <audience/user>: A dev integrating the Pie Smart Pools
• I want to <action/task>: Know that these methods are not supported
• so that <outcome/goal/benefit>: So I don't wonder why it's not working

Type

• Enhancement
• Maintenance
• Refactor

Definition of Done

• Throw error on: function finalizeSmartPool()
• Throw error on: function createPool()
• Errors clearly state that function is not supported
• Test errors in unit test

Attach files or screenshots if it's helpful for this issue.

Reference Implementations:

• https://github.com/balancer-labs/smart-pools/blob/master/crp/contracts/ConfigurableRightsPool.sol#L170
• https://github.com/balancer-labs/smart-pools/blob/master/crp/contracts/ConfigurableRightsPool.sol#L160

[dmvt]

https://forum.piedao.org/t/bounty-program-votes/118/2
PieDAO governance has voted to approve this issue for a bounty:
Approved Scope: 4 - 8 hours (1397.6 - 2795.2 $DOUGH)
Contributor: @travisdmathis

[travisdmathis]

leaving in done until disbursement

[MickdeGraaf]

Implemented in #51