Add additional error messaging when in dev env

[benjaminsampica]

Closes #184

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Package	Line Rate	Branch Rate	Health
DynamoLeagueBlazor.Client	29%	27%	❌
DynamoLeagueBlazor.Shared	89%	50%	✔
DynamoLeagueBlazor.Server	89%	41%	✔
Summary	84% (8251 / 9836)	34% (123 / 366)	✔