added ocular

ocular/example.env

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+# JWT secret known only to your token generator
+# You can use `openssl rand -base64 48` for this.
+GENESIS_JWT_SECRET=insert-a-very-long-random-string-here
+
+# JWT expiration in minutes
+GENESIS_JWT_TOKEN_EXPIRATION=60
+
+# Use ! as suffix for the username to indicate that this user should be created as an admin.
+# Admins can add, remove and edit users, you can create multiple users by separating them with a comma.
+# Comment this out if you already have users created!
+# GENESIS_CREATE_USERS=my-admin-username!:my-very-secure-password