The files slurp.flan writes are output, not sources

They were committed by a git add -A taken after running the program by
hand from the source tree. The suite runs it out of _build and cleans up
after itself; this is only for a run done directly.

.gitignore

@@ -50,3 +50,9 @@ probe.c
 # came from. vendor/raylib/build-web.sh makes both, and the path is named to a
 # build through FLAN_RAYLIB_WEB, not committed.
 vendor/raylib/web/
+
+# What programs/slurp.flan and programs/web-files.flan write when run by hand
+# from the source tree rather than out of _build.
+test/slurp-out.txt
+test/slurp-made.txt
+test/web-files-out.txt

test/slurp-made.txt

@@ -1 +0,0 @@
-made by the handler

test/slurp-out.txt

@@ -1 +0,0 @@
-second