add blog post on Portable test run of ESPResSo on EuroHPC systems via EESSI

docs/blog/.authors.yml

@@ -4,8 +4,23 @@ authors:
     description: HPC-UGent
     avatar: https://avatars.githubusercontent.com/u/620876?v=4
     slug: https://github.com/boegel
+  casparvl:
+    name: Caspar van Leeuwen
+    description: SURF
+    avatar: https://avatars.githubusercontent.com/u/33718780?v=4
+    slug: https://github.com/casparvl
+  jngrad:
+    name: Jean-Noël Grad
+    description: University of Stuttgart
+    avatar: https://avatars.githubusercontent.com/u/42201407?v=4
+    slug: https://github.com/jngrad
   laraPPr:
     name: Lara Peeters
     description: HPC-UGent
     avatar: https://avatars.githubusercontent.com/u/49882639?v=4
     slug: https://github.com/laraPPr
+  satishskamath:
+    name: Satish Kamath
+    description: SURF
+    avatar: https://avatars.githubusercontent.com/u/41335185?v=4
+    slug: https://github.com/satishskamath