added crowdloan reward scripts

[asiniscalchi]

PR Type

enhancement, configuration changes, documentation

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Description

• Added main script to fetch and process crowdloan contributions, including fetching contributors, calculating contributions, and generating rewards.
• Implemented a script to map Bifrost addresses to Polkadot addresses, including file parsing and export functionalities.
• Added various output files including rewards, contributions, and address mappings.
• Included TypeScript configuration file with strict type-checking options.
• Added package.json to manage project dependencies and scripts.

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Changes walkthrough 📝

	Relevant files
Enhancement	index.ts Add main script for crowdloan rewards processing                  scripts/crowdloan_rewards/index.ts Added main script to fetch and process crowdloan contributions. Implemented functions to fetch contributors, calculate contributions, and generate rewards. Added error handling and file export functionalities. +210/-0  bifrostMap.ts Add script for Bifrost to Polkadot address mapping              scripts/crowdloan_rewards/bifrostMap.ts Added script to map Bifrost addresses to Polkadot addresses. Implemented file parsing and export functionalities. +49/-0
Documentation	rewards.txt Add rewards output file                                                                    scripts/crowdloan_rewards/rewards.txt Added file containing the calculated LAOS rewards for contributors. +385/-0  bifrost_to_polkadot.md Add Bifrost to Polkadot address mapping file                          scripts/crowdloan_rewards/bifrost_to_polkadot.md Added markdown file mapping Bifrost addresses to Polkadot addresses. +28/-0    bifrost_contributors Add Bifrost contributors file                                                        scripts/crowdloan_rewards/bifrost_contributors Added file listing Bifrost contributors and their contributions. +30/-0
Configuration changes	tsconfig.json Add TypeScript configuration file                                                scripts/crowdloan_rewards/tsconfig.json Added TypeScript configuration file with strict type-checking options. +109/-0  package.json Add package.json for project dependencies and scripts        scripts/crowdloan_rewards/package.json Added package.json with dependencies and scripts for the project. +22/-0

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[asiniscalchi]

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PR Description updated to latest commit (cc66548)