Better notes and bans (#14228)

Co-authored-by: Chief-Engineer <119664036+Chief-Engineer@users.noreply.github.com>

Content.Shared.Database/NoteSeverity.cs

@@ -0,0 +1,28 @@
+namespace Content.Shared.Database
+{
+    /// <summary>
+    ///     Kinds of severity that a note can have
+    /// </summary>
+    public enum NoteSeverity
+    {
+        /// <summary>
+        ///     No severity, displays a checkmark
+        /// </summary>
+        None = 0,
+
+        /// <summary>
+        ///     Minor severity, displays a minus
+        /// </summary>
+        Minor = 1,
+
+        /// <summary>
+        ///     Medium severity, displays one exclamation mark
+        /// </summary>
+        Medium = 2,
+
+        /// <summary>
+        ///     High severity, displays three exclamation marks
+        /// </summary>
+        High = 3,
+    }
+}