Add the Monolith and Cobalt Stripe templates

Standalone layouts for Canva 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/northline/northline.test.tsx

@@ -55,14 +55,14 @@ const near = (c: number[], hex: string, tol = 6) => {
 };
 
 describe("registry, catalog and fonts", () => {
-  it("lists Purple Pop and Citrus Split last, in the Northline family, with their thumbnails on disk", () => {
+  it("lists Purple Pop and Citrus Split before the standalone templates, in the Northline family, with their thumbnails on disk", () => {
     for (const t of NORTHLINE) {
       expect(getTemplate(t.id)).toBe(t);
       expect(t.family).toBe("northline");
       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).slice(-2)).toEqual(["purple-pop", "citrus-split"]);
+    expect(Object.keys(TEMPLATES).slice(-4, -2)).toEqual(["purple-pop", "citrus-split"]);
     expect(TEMPLATE_CATALOG.map((e) => e.id)).toEqual(Object.keys(TEMPLATES));
     expect(TEMPLATE_CATALOG.filter((e) => e.logoOptIn).map((e) => e.id)).toEqual(["linea", "purple-pop"]);
   });