Add date & plural support to units

package-lock.json

package.json

plugin-yaml-patched.ts

src/lib/components/parameters/NodeEdit.svelte

src/lib/components/parameters/ParameterPane.svelte

src/lib/components/parameters/ParameterView.svelte

src/lib/components/parameters/ReferencesEdit.svelte

src/lib/components/parameters/ScaleAtInstantEdit.svelte

src/lib/components/parameters/ScaleEdit.svelte

src/lib/components/parameters/ValueAtInstantEdit.svelte

src/lib/components/parameters/ValueEdit.svelte

...omponents/variables/VariableReferredScaleAtInstant.svelte

...omponents/variables/VariableReferredScaleParameter.svelte

...omponents/variables/VariableReferredValueParameter.svelte

src/lib/units.ts

src/routes/parameters/[parameter]/+page.server.ts

src/routes/parameters/[parameter]/+page.svelte

src/routes/parameters/[parameter]/edit/+page.svelte

src/routes/variables/[variable]/xlsx/+page.svelte

vite.config.ts