Add Users, Roles, and Permissions

Users%2C-Roles%2C-and-Permissions.md

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+# Users, Roles and Permissions
+
+## Backend Concepts
+Utilizing the AppWrite backend provides us with some basic concepts we can use:
+
+### Users, Groups, and Labels
+#### Teams
+    Teams are AppWrite groups of users.  Teams can be assigned roles, which can be assigned permissions.  Teams "contain" users.
+#### Labels
+    Labels are AppWrite tags for users.  Users have Labels as attributes.
+    Like teams, labels can be used for Role / Permission mapping
+
+### Permissions
+https://appwrite.io/docs/advanced/platform/permissions
+
+Permissions are fine-grained access control for users and objects.  They follow standard "CRUD" patterns.