Continued Improvements to Web UI

What's Changed

• Tech refresh by @james-prysm in #205
• creating a pipe for filenames by @james-prysm in #209
• Slashing protection by @james-prysm in #211
• adding slashing protection to wallet recovery by @james-prysm in #212
• removing inclusionslot and inclusiondistance by @james-prysm in #215
• adding to readme and reducing popups for beacon node sync errors by @james-prysm in #216
• converting camelCase to snake_case on frontend to remove need of flag on validator client by @james-prysm in #217

Full Changelog: v1.0.1...v1.0.2