docs: add README.md

Author: JuArce

infra/aggregation_mode/README.md

@@ -2,3 +2,38 @@
 
 ## Setup on Server with GPU
 
+To setup the server with GPU, follow the steps in [aggregation_mode.sh](aggregation_mode.sh).
+
+After running all the steps, `aggregation_mode.timer` will execute every 24hs the `aggregation_mode.service`
+
+## Check Service Status
+
+To check the status of the timer, run:
+
+```bash
+systemctl status aggregation_mode.timer --user
+```
+
+To check the status of the service, run:
+
+```bash
+systemctl status aggregation_mode.service --user
+```
+
+## Start Service manually
+
+If you need to start the service manually, without waiting for the timer, run:
+
+```bash
+systemctl start aggregation_mode.service --user
+```
+
+## Check Logs
+
+To check the logs of the service, run:
+
+```bash
+journalctl -xfeu aggregation_mode.service --user 
+```
+
+Note: You can add `-n <n_of_lines>` to limit the number of lines to show.