feat: add erc20-balance-of-pcape

[GopherJ]

Feat # .

Changes proposed in this pull request:

• add erc20-balance-of-pcape strategy

Hi, I'm core dev from https://github.com/para-space, we have pcape on our app: https://app.parax.ai, this PR is for adding pcAPE strategy

[ChaituVR]

Hey @GopherJ you can use erc20-balance-of strategy directly on your space, no need to create a separate strategy :) let me know if it doesn't work

[ChaituVR]

No @GopherJ sorry for confusion I mean changing your space settings to use erc20-balance-of strategy :)

Refer this https://docs.snapshot.org/user-guides/strategies/voting-strategies#how-to-set-up-a-strategy