Add a pointer to the build instructions for the manual

git-svn-id: https://svn.apache.org/repos/asf/httpd/httpd/trunk@1082224 13f79535-47bb-0310-9956-ffa450edef68

diff --git a/docs/manual/BUILDING b/docs/manual/BUILDING
new file mode 100644 (file)
index 0000000..71ad945
--- /dev/null
+++ b/docs/manual/BUILDING
@@ -0,0 +1,2 @@
+For instructions on building the manual, see
+<https://httpd.apache.org/docs-project/docsformat.html>.