Add #shaded_box() Typst Function

[ASNDataAnalytics]

This allows use of markdown formatting for bold and italic

#let shaded_box(body) = block(
  fill: rgb("#d2d4dc"),
  stroke: 2pt + asn_primary_blue,
  radius: 8pt,
  inset: 10pt,
  width: 100%,
  body
)

#shaded_box()[
"*wRVU (work relative value unit)* The physician work component of RVUs used in fee-for-service productivity models.

*cRVU (customized RVU)* A structured “credit” for defined nonbillable transplant activities (e.g., selection meetings, organ offer reviews) captured via mnemonics/workflow documentation.

*OVU (outcome value unit)* A structured value credit linked to outcomes, access, and efficiency metrics (often operationalized as value-based incentives [VBI]).

*OAC (organ acquisition cost) reporting* Medicare cost report mechanism that captures allowable pretransplant and organ recovery costs (including certain evaluation-related charges at the transplant hospital) and reimburses based on Medicare share."]