* Add script to generate validators using bridge node data
* Modify script to convert bridge node output to json array
* Add script to get address balance mapping from bridge node output
* Modify script to generate cosmos address to balance map
* Add scripts to generate genesis file with allocations
* Take deployment dir and eth account holdings file as inputs
* Add .gitignore
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Co-authored-by: Shreerang Kale <shreerangkale@gmail.com>