[Feature] add GA346 baseline version

Change-Id: Ic62933698569507dcf98240cdf5d9931ae34348f
diff --git a/src/kernel/linux/v4.19/Documentation/security/index.rst b/src/kernel/linux/v4.19/Documentation/security/index.rst
new file mode 100644
index 0000000..85492bf
--- /dev/null
+++ b/src/kernel/linux/v4.19/Documentation/security/index.rst
@@ -0,0 +1,15 @@
+======================
+Security Documentation
+======================
+
+.. toctree::
+   :maxdepth: 1
+
+   credentials
+   IMA-templates
+   keys/index
+   LSM
+   LSM-sctp
+   SELinux-sctp
+   self-protection
+   tpm/index