SHIBUI-1031: add rank to role

backend/src/main/java/edu/internet2/tier/shibboleth/admin/ui/security/model/Role.java

@@ -33,9 +33,16 @@ public Role(String name) {
         this.name = name;
     }
 
+    public Role(String name, int rank) {
+        this.name = name;
+        this.rank = rank;
+    }
+
     @Column(unique = true)
     private String name;
 
+    private int rank;
+
     //Ignore properties annotation here is to prevent stack overflow recursive error during JSON serialization
     @JsonIgnoreProperties("roles")
     @ManyToMany(cascade = CascadeType.ALL, mappedBy = "roles", fetch = FetchType.EAGER)