Ajout: cat et set a la racine

diff --git a/cat b/cat
new file mode 120000 (symlink)
index 0000000..ea60308
--- /dev/null
+++ b/cat
@@ -0,0 +1 @@
+.../lib/tool/admin/cat
\ No newline at end of file

diff --git a/set b/set
new file mode 120000 (symlink)
index 0000000..22d7382
--- /dev/null
+++ b/set
@@ -0,0 +1 @@
+.../lib/tool/admin/set
\ No newline at end of file