Can't exit gracefully if exception happens during WebServer creation

[cindyyan317]

Issue Description

Clio can't exit gracefully if exception happens during WebServer creation

Steps to Reproduce

1 Change server.ip to a number in config.json
2 Start Clio

Expected Result

Find the wrong setting and print to log

Actual Result

util/log/Logger.hpp:238 [2024-09-17 14:22:27.139180] RPC:NFO API version settings: [min = 1; max = 2; default = 1]
util/log/Logger.hpp:238 [2024-09-17 14:22:27.139222] RPC:NFO Init RPC Cache, timeout: 0.8 seconds, cached commands: server_info
util/log/Logger.hpp:238 [2024-09-17 14:22:27.139459] RPC:NFO API version settings: [min = 1; max = 2; default = 1]
util/log/Logger.hpp:238 [2024-09-17 14:22:27.139658] ETL:NFO onStop called
util/log/Logger.hpp:229 [2024-09-17 14:22:27.139703] ETL:DBG Stopping Reporting ETL
[3]    56111 segmentation fault  ./clio_server ~/config/clio.json