docs: add info about sync interval (#11281)
docs: add info about sync interval (#11281)

* docs: add info about sync interval

Add information about the sync interval to the Automated Sync Policy page. Users will likely check this page when looking for how to configure the sync interval.

Signed-off-by: Nicholas Morey <3b9de09f2ff76afe9f0ad4fcae4ff68f52ec7fc4@morey.tech>

* docs: add default value

Signed-off-by: Nicholas Morey <3b9de09f2ff76afe9f0ad4fcae4ff68f52ec7fc4@morey.tech>

Signed-off-by: Nicholas Morey <3b9de09f2ff76afe9f0ad4fcae4ff68f52ec7fc4@morey.tech>
argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd,argoproj/argo-cd