Add example kernel module

examples/kernel-module/.out-of-tree.toml

@@ -0,0 +1,17 @@
+# out-of-tree configuration file
+# docs at https://out-of-tree.io
+name = "out-of-tree module example"
+type = "module"
+
+[[supported_kernels]]
+# Can be Ubuntu/CentOS/Debian/etc.
+distro_type = "Ubuntu"
+# regex for `uname -r`
+# See also: regex-golang.appspot.com
+release_mask = "4.4.0-70-.*"
+
+# [[supported_kernels]] may be defined unlimited number of times
+[[supported_kernels]]
+distro_type = "Ubuntu"
+# Also you can use only one kernel
+release_mask = "4.15.0-29-generic"