diff --git a/doc/1.txt b/doc/1.txt
new file mode 100644
index 0000000..e69de29
diff --git a/model/m.txt b/model/m.txt
new file mode 100644
index 0000000..e69de29
diff --git a/other/o.txt b/other/o.txt
new file mode 100644
index 0000000..e69de29
diff --git a/src/s.txt b/src/s.txt
new file mode 100644
index 0000000..e69de29