update readme · GeneralLibrary/GeneralUpdate@589f391

build: src/c#/GeneralUpdate.Common/FileBasic/StorageManager.cs#L241

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/FileBasic/StorageManager.cs#L241

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/FileBasic/StorageManager.cs#L241

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L32

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L32

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L32

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L33

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L33

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L33

Cannot convert null literal to non-nullable reference type.

build: src/c#/GeneralUpdate.Common/Shared/Service/VersionService.cs#L60

Cannot convert null literal to non-nullable reference type.

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