v0.9.1
Axial 0.9.1
Fix
scripts/pack.sh omitted src/Axial.Layers/Axial.Layers.fsproj, so 0.9.0's headline addition
(Layer.pool/Pool<'resource>, see dev-docs/releases/0.9.0.md) was never actually published to
NuGet despite the project being fully configured for packing (PackageId, description, tags).
Axial.Layers is now packed and published like every other add-on.
scripts/check-source-inventory.sh now also verifies every src project declaring <PackageId>
is included in scripts/pack.sh's project list, so a project can no longer be silently left out of
a release.