Add separate header-files for each page/view

Yet another step towards removing cgit.h.

Signed-off-by: Lars Hjemli <hjemli@gmail.com>
diff --git a/ui-tree.h b/ui-tree.h
new file mode 100644
index 0000000..bbd34e3
--- /dev/null
+++ b/ui-tree.h
@@ -0,0 +1,6 @@
+#ifndef UI_TREE_H
+#define UI_TREE_H
+
+extern void cgit_print_tree(const char *rev, char *path);
+
+#endif /* UI_TREE_H */