add page.tmpl link

Signed-off-by: Jim Pryor <profjim@jimpryor.net>

diff --git a/templates/page.tmpl b/templates/page.tmpl
new file mode 120000 (symlink)
index 0000000..cdcbeec
--- /dev/null
+++ b/templates/page.tmpl
@@ -0,0 +1 @@
+page-mathml.tmpl
\ No newline at end of file