added more examples

examples/servers.py

@@ -0,0 +1,17 @@
+import minerva
+import json
+
+m    = minerva.Minerva("hay-te")
+pier = m.pier(subnet_id = "subnet-08438df942a357b21", # haystac-te-subnet-public1-us-east-1c
+              sg_groups = ["sg-005d1f7b02f1e4b06",    # ssh
+                           "sg-06f81d2d2d58dfc6b"],   # default
+              iam       = "Minerva",
+              key_pair  = ("Ari-Brown-HAY-TE", "~/.ssh/Ari-Brown-HAY-TE.pem"))
+
+def worker(num):
+    return pier.machine(instance_type = "r6a.2xlarge",
+                        username      = "ubuntu",
+                        name          = f"minerva-worker-{num}",
+                        ami           = "ami-0796c86095e0ac8fe",
+                        disk_size     = 512)
+