Update keepalived.config to add config for section peer.
`peer` is a section that can be used via 'list unicast_peer'
Signed-off-by: Rishabh <redacted>
# option max_hops "30"
# option weight "50"
+#config peer
+# option name "peer1"
+# option address "192.168.0.1"
+# option min_ttl "1"
+# option max_ttl "255"
+
+#config peer
+# option name "peer2"
+# option address "192.168.1.1"
+# option min_ttl "1"
+# option max_ttl "255"
+
#config vrrp_instance
# option name "VI_1"
# option use_vmac "eth0"
# list track_script "track_script1"
# list track_script "track_script2"
# option dont_track_primary "1"
+# list unicast_peer "peer1"
+# list unicast_peer "peer2"
# list unicast_peer "192.168.0.1"
# list unicast_peer "192.168.1.1"
# list virtual_ipaddress "ipaddress2"