Sorting the chapters of the HA guide

Closes #38721

Signed-off-by: Alexander Schwartz <aschwart@redhat.com>

docs/guides/high-availability/pinned-guides

@@ -1,13 +1,16 @@
 introduction
 concepts-multi-site
 bblocks-multi-site
+concepts-database-connections
+concepts-threads
+concepts-memory-and-cpu-sizing
+concepts-infinispan-cli-batch
 deploy-aurora-multi-az
 deploy-infinispan-kubernetes-crossdc
 deploy-keycloak-kubernetes
-deploy-aws-route53-loadbalancer
-deploy-aws-route53-failover-lambda
-health-checks-multi-site
-operate-failover
-operate-switch-over
-operate-network-partition-recovery
-operate-switch-back
+deploy-aws-accelerator-loadbalancer
+deploy-aws-accelerator-fencing-lambda
+operate-site-offline
+operate-site-online
+operate-synchronize
+health-checks-multi-site