Add the Monolith and Cobalt Stripe templates

Standalone layouts for reference templates 3 and 8, with the user's logo sized to the
placeholder box, a CapRule decor primitive, optional TableRows rule/heading options,
and a separate 1..45-row sweep test file.

src/pdf/templates/band/band.test.tsx

@@ -51,7 +51,7 @@ describe("registry and catalog", () => {
       expect(catalogEntry(t.id).name).toBe(t.name);
       expect(existsSync(path.join(process.cwd(), "public", t.thumbnail)), t.thumbnail).toBe(true);
     }
-    expect(Object.keys(TEMPLATES)).toEqual(["classic", "linea", "monogram", "serenity", "crimson-grid", "tangerine-ledger", "slate-band", "teal-swoosh", "purple-pop", "citrus-split"]);
+    expect(Object.keys(TEMPLATES)).toEqual(["classic", "linea", "monogram", "serenity", "crimson-grid", "tangerine-ledger", "slate-band", "teal-swoosh", "purple-pop", "citrus-split", "monolith", "cobalt-stripe"]);
   });
 
   it("both are Montserrat throughout, and their slots are the measured reference ones", () => {