first crack at adding ssh host key display to the capsul detail page

capsulflask/shared.py

@@ -0,0 +1,20 @@
+
+from typing import List
+
+# I decided to just use dict everywhere instead because I have to use dict to read it from json 
+# class SSHHostKey:
+#   def __init__(self, key_type=None, content=None, sha256=None):
+#     self.key_type = key_type
+#     self.content = content
+#     self.sha256 = sha256
+
+class VirtualMachine:
+  def __init__(self, id, ipv4: str = None, ipv6: str = None, ssh_host_keys: List[dict] = list()):
+    self.id = id
+    self.ipv4 = ipv4
+    self.ipv6 = ipv6
+    self.ssh_host_keys = ssh_host_keys
+
+
+def my_exec_info_message(exec_info):
+  return "{}: {}".format(".".join([exec_info[0].__module__, exec_info[0].__name__]), exec_info[1])