feat: render property cdx:reproducible

src/builders.ts

@@ -272,7 +272,13 @@ export class BomBuilder {
       bom.metadata.timestamp = new Date()
     }
     // endregion metadata
-
+    // Add reproducible property to metadata
+    bom.metadata.properties.add(
+      new Models.Property(
+        PropertyNames.BomReproducible,
+        this.reproducible ? PropertyValueBool.True : PropertyValueBool.False
+      )
+    )
     // region components
     if (this.flattenComponents) {
       for (const c of allComponents.values()) {

src/properties.ts

@@ -29,6 +29,7 @@ export const enum PropertyNames {
   PackagePrivate = 'cdx:npm:package:private',
   PackageDevelopment = 'cdx:npm:package:development',
   PackageInstallPath = 'cdx:npm:package:path',
+  BomReproducible = 'cdx:reproducible',
 }
 
 /**