docs: the workbench is go-pdfkit/playground, at /playground/

content/_index.md

@@ -47,7 +47,7 @@ re-parse or subsetter of its own. See
 | [`pdffont`](https://github.com/go-pdfkit/pdffont) | what a document says about a font — encodings, widths, and what text a code stands for |
 | [`extract`](https://github.com/go-pdfkit/extract) | reads a page back: the text with where it sits, and the pictures with the box each covers |
 | [`coedit`](https://github.com/go-pdfkit/coedit) | a PDF several people edit at once — the plan is shared, not the file |
-| [`app`](https://github.com/go-pdfkit/app) | a PDF workbench that runs in a browser tab and nowhere else |
+| [`playground`](https://github.com/go-pdfkit/playground) | a PDF workbench that runs in a browser tab and nowhere else |
 | [`pdfkit`](https://github.com/go-pdfkit/pdfkit) | the document builder: pages, vector graphics, and text in embedded subsetted fonts |
 | [`docs`](https://github.com/go-pdfkit/docs) | this documentation site (Hugo, with our fork of the Hextra theme) |
 

content/working-with-a-file/workbench.md

@@ -3,8 +3,9 @@ title: "The browser workbench"
 weight: 70
 ---
 
-[`app`](https://github.com/go-pdfkit/app) is a PDF workbench that runs in a
-browser tab and nowhere else.
+[`playground`](https://github.com/go-pdfkit/playground) is a PDF workbench that
+runs in a browser tab and nowhere else, at
+<https://go-pdfkit.github.io/playground/>.
 
 Open a file, turn its pages, rotate one, drop one, lay it out two to a sheet,
 write across it, strip what runs rather than shows, save it back out — and

hugo.toml

@@ -60,7 +60,7 @@ enableGitInfo = true
 
 [[menu.main]]
   name = "Workbench"
-  url = "https://go-pdfkit.github.io/app/"
+  url = "https://go-pdfkit.github.io/playground/"
   weight = 2
 
 [[menu.main]]