Doc: Compile textdocument-end snippets

* Extend GUI snippet compilation with textdocument-end snippet.
* Rename the snippet file and replace main() with wrapper().
* Dedent the snippet itself.
* Update documentation that includes the snippet.

Done-with: Nico Vertriest <[email protected]>
Task-number: QTBUG-81486
Change-Id: Id5e5b284587da1e7fdfd00baa9c899626832a113
Reviewed-by: Topi Reiniö <[email protected]>

1 files changed, 2 insertions, 2 deletions

diff --git a/src/gui/doc/snippets/snippets.pro b/src/gui/doc/snippets/snippets.pro
index 6ad2d78387c..230110ce5d0 100644
--- a/src/gui/doc/snippets/snippets.pro
+++ b/src/gui/doc/snippets/snippets.pro
@@ -3,6 +3,6 @@ SUBDIRS =
 
 contains(QT_BUILD_PARTS, tests) {
     SUBDIRS += \
-        qfontdatabase
+        qfontdatabase \
+        textdocument-end
 }
-