Refactoring Duplicati

This commit implements support for Duplicati's backups methods:
LOCAL, SSH and GOOGLE DRIVE for MutableSecurity.

Resolves: #12

Signed-off-by: Ionut Bajan <ionutm.bajan@yahoo.com>

Author: i014n

mutablesecurity/solutions/base/solution.py

@@ -63,6 +63,7 @@ class SolutionCategories(Enum):
     WEB_ENCRYPTION = "Encryption for Web Applications"
     HOST_IPS = "Host Intrusion Prevention System"
     NONE = "No Security"
+    BACKUP = "Copying files to a secondary location"
 
     def __str__(self) -> str:
         """Stringify a category.