docs(easy-perm): create "checkpoint" version of subject

subjects/devops/easy-perm-checkpoint/README.md

@@ -0,0 +1,15 @@
+## easy-perm
+
+### Instructions
+
+Create a file `easy-perm.sh`, which will change the default permissions for the `example.txt` and `example2.txt` files inside the folder `easy-perms`, to the ones bellow:
+
+Expected Output:
+
+```console
+$ ls -l easy-perm
+total 8
+-rwxr--rw- 1 user user 689 dez 13 16:14 example2.txt
+-rw-r--r-- 1 user user 348 dez 13 16:14 example.txt
+$
+```