feat(securityhub_check): Add check and service for SecurityHub (#1360)

Co-authored-by: Toni de la Fuente <toni@blyx.com>
Co-authored-by: sergargar <sergio@verica.io>
Co-authored-by: Pepe Fagoaga <pepe@verica.io>

providers/aws/services/securityhub/securityhub_enabled/securityhub_enabled.metadata.json

@@ -0,0 +1,35 @@
+{
+  "Provider": "aws",
+  "CheckID": "securityhub_enabled",
+  "CheckTitle": "Check if Security Hub is enabled and its standard subscriptions.",
+  "CheckType": ["Logging and Monitoring"],
+  "ServiceName": "securityhub",
+  "SubServiceName": "",
+  "ResourceIdTemplate": "arn:partition:securityhub:region:account-id:hub/hub-id",
+  "Severity": "high",
+  "ResourceType": "AwsSecurityHubHub",
+  "Description": "Check if Security Hub is enabled and its standard subscriptions.",
+  "Risk": "AWS Security Hub gives you a comprehensive view of your security alerts and security posture across your AWS accounts.",
+  "RelatedUrl": "https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-standards-enable-disable.html",
+  "Remediation": {
+    "Code": {
+      "CLI": "aws securityhub enable-security-hub --enable-default-standards",
+      "NativeIaC": "",
+      "Other": "",
+      "Terraform": ""
+    },
+    "Recommendation": {
+      "Text": "Security Hub is Regional. When you enable or disable a security standard, it is enabled or disabled only in the current Region or in the Region that you specify.",
+      "Url": "https://docs.aws.amazon.com/securityhub/latest/userguide/securityhub-standards-enable-disable.html"
+    }
+  },
+  "Categories": [],
+  "Tags": {
+    "Tag1Key": "value",
+    "Tag2Key": "value"
+  },
+  "DependsOn": [],
+  "RelatedTo": [],
+  "Notes": "",
+  "Compliance": []
+}