Merge pull request #128 from boegel/gpu

add placeholder page on GPU support in EESSI

Author: ocaisa

docs/gpu.md

@@ -0,0 +1,9 @@
+# GPU support
+
+!!! warning
+    **The support for GPU software in EESSI is a work-in-progess.**
+
+More information on the actions that must be performed to ensure that GPU software included in EESSI
+can use the GPU in your system will be available here soon.
+
+For now, [please open a support issue](support.md) if you need help or have questions regarding GPU support.