#52 switch to license expression

[thompson-tomo]

Closes #52

[github-actions]

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[Copilot]

Pull Request Overview

This PR switches the package licensing metadata from a file-based approach to an SPDX license expression (MIT) across all project files, and removes the explicit packaging of the LICENSE file.

• Replaced <PackageLicenseFile> entries with <PackageLicenseExpression>MIT</PackageLicenseExpression>
• Removed <None Include="..\..\LICENSE">…</None> sections to stop packaging the standalone LICENSE file
• Applied the same change consistently across all UUID and serialization subproject .csproj files

Reviewed Changes

Copilot reviewed 6 out of 6 changed files in this pull request and generated no comments.

Show a summary per file

File	Description
src/UUID/UUID.csproj	Set license expression to MIT and removed license file packaging
src/UUID.Serialization.System/UUID.Serialization.System.csproj	Set license expression to MIT and removed license file packaging
src/UUID.Serialization.Newtonsoft/UUID.Serialization.Newtonsoft.csproj	Set license expression to MIT and removed license file packaging
src/UUID.Serialization.MessagePack/UUID.Serialization.MessagePack.csproj	Set license expression to MIT and removed license file packaging
src/UUID.Serialization.Entity/UUID.Serialization.Entity.csproj	Set license expression to MIT and removed license file packaging
src/UUID.Serialization.Dapper/UUID.Serialization.Dapper.csproj	Set license expression to MIT and removed license file packaging

Comments suppressed due to low confidence (2)

src/UUID/UUID.csproj:24

• [nitpick] Consider adding or updating a license badge in the README.md to reflect the new MIT license declaration in package metadata, ensuring consumers see the license upfront.

        <PackageLicenseExpression>MIT</PackageLicenseExpression>

src/UUID/UUID.csproj:24

• [nitpick] The MIT license expression is duplicated in every project file; you could centralize this in a shared Directory.Build.props to reduce repetition and simplify future license updates.

        <PackageLicenseExpression>MIT</PackageLicenseExpression>