* Use ponder in watcher mode and indexer mode separately in payments stack
* Refactor config file and configure env variables for watcher mode
* Update demo.md for payments stack
* Handle review changes
* Setup config to pay for watcher to indexer GQL queries
* Fix config in stack for making payments in watcher ponder app
* Update demo for payment from watcher to indexer mode Ponder apps
* Use laconic-esm brannch for ponder
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Co-authored-by: Shreerang Kale <shreerangkale@gmail.com>
