v2.2.0

Added

• Unit test project (ServerInfo.Tests) covering the reflection helpers,
  ID/path parsing, and config parsing, plus packaging validation
  (manifest.json fields, icon.png dimensions, and version consistency
  across Program.cs/AssemblyInfo.cs/manifest.json/thunderstore.toml).
• CI (.github/workflows/ci.yml): builds and runs the full test suite on
  every push and pull request.
• Automated release pipeline (.github/workflows/publish.yml): pushing a
  v*.*.* tag builds, tests, and — only if that passes — publishes to
  Thunderstore and attaches the package zip to a GitHub Release for a
  manual Hexium upload (Hexium has no public upload API yet).
• manifest.json, icon.png, thunderstore.toml, and package.ps1 for
  publishing to Thunderstore and Hexium (see CONTRIBUTING.md).

Changed

• Breaking: no longer bundles its own copy of Newtonsoft.Json.
  Declares a dependency on the shared ValheimModding-JsonDotNET library
  instead, to avoid two copies of the same assembly being loaded at once.
  Installs through a mod manager pull this in automatically; a manual
  DLL-only install now needs that library present too.
• Packaged files no longer sit under a plugins/ subfolder in the
  release zip — they ship flat at the package root instead, so
  manifest.json ends up next to the installed DLL (the plugin reads
  its own neighboring manifest.json at runtime; plugins/ gets
  flattened straight into BepInEx/plugins/ on install, separating the
  two).

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Upload Odin_Sons-ServerInfo-2.2.0.zip to Hexium's submit page by hand (https://valheim.hexium.gg/) — Hexium has no public upload API yet.