Document HA for Fluentbit

Update the Fluentbit architecture doc adding a "High Availability" section with pertinent information. See other packages for examples.

added fluentbit label

changed title from Document HA for FluentBit to Document HA for Fluentbit

created branch 1332-document-ha-for-fluentbit to address this issue

mentioned in merge request !2199 (merged)

mentioned in issue #1194 (closed)

added 1 deleted label

added teamXForce label

removed 1 deleted label

added kinddocs label

set weight to 1

added to epic &41 (closed)

changed milestone to %1.46.0

changed iteration to Big Bang Iterations Oct 18, 2022 - Oct 31, 2022

added statusreview label

assigned to @gmiernicki

closed with merge request !2199 (merged)

mentioned in commit 3162a8dd