Content [Website] Eastern Town Hall Website - Stake Pool & Indonesian contents

[andrecahyadi]

• [x] Added Stake Pool content for all regions (https://easterntownhall.com/stake-pool/)
• [x] Watched Cardano360 May 2022 YouTube (https://www.youtube.com/watch?v=Ar_8Lo0nV1s)
• [x] Added Cardano360 May 2022 content for the Indonesian community (https://easterntownhall.com/id/docs/cardano360-technical/may-22/)
• [x] Changed Community Advisor wordings to Proposal Assessor in the Indonesia documentation (https://easterntownhall.com/id/docs/catalyst/)
• [x] Watched Cardano360 Jun 2022 YouTube (https://www.youtube.com/watch?v=ShBFTaD8nss)
• [x] Added Cardano360 Jun 2022 content for the Indonesian community (https://github.com/C3ETH/c3eth.github.io/pull/203/commits - yet to be released, waiting for any other content if any)