docs: add Imk&Cc's homepage to showcase.md (#595)

Odaimoko

2023-11-28 660aae62e09ea1f5ec957149b78bfd01a85bd79f

 quartz/components/renderPage.tsx

@@ -104,7 +104,7 @@
                break
              }

              if (startIdx) {
              if (startIdx !== undefined) {
                endIdx = i
              } else if (el.properties?.id === blockRef) {
                startIdx = i
@@ -112,7 +112,7 @@
            }
          }

          if (!startIdx) {
          if (startIdx === undefined) {
            return
          }