-change hosts file - will maintain hosts file on multipe machines.

for the scope of this type of demo network, this is much simpler
than installing and managing dns.

roles/wifi/files/hostapd.conf

@@ -0,0 +1,15 @@
+interface=wlan0
+driver=nl80211
+hw_mode=g
+channel=6
+ieee80211n=1
+wmm_enabled=1
+ht_capab=[HT40][SHORT-GI-20][DSSS_CCK-40]
+macaddr_acl=0
+ignore_broadcast_ssid=0
+wpa=2
+auth_algs=1
+wpa_key_mgmt=WPA-PSK
+rsn_pairwise=CCMP
+ssid=PHLIPAMT
+wpa_passphrase=dsfinisdemo

roles/wifi/files/iptables.ipv4.nat

@@ -0,0 +1,18 @@
+# Generated by iptables-save v1.6.0 on Thu Mar 14 09:59:15 2019
+*filter
+:INPUT ACCEPT [7056:1877085]
+:FORWARD ACCEPT [0:0]
+:OUTPUT ACCEPT [6972:1880076]
+-A FORWARD -i eth0 -o wlan0 -m state --state RELATED,ESTABLISHED -j ACCEPT
+-A FORWARD -i wlan0 -o eth0 -j ACCEPT
+COMMIT
+# Completed on Thu Mar 14 09:59:15 2019
+# Generated by iptables-save v1.6.0 on Thu Mar 14 09:59:15 2019
+*nat
+:PREROUTING ACCEPT [15:3832]
+:INPUT ACCEPT [15:3832]
+:OUTPUT ACCEPT [110:30472]
+:POSTROUTING ACCEPT [106:29680]
+-A POSTROUTING -o eth0 -j MASQUERADE
+COMMIT
+# Completed on Thu Mar 14 09:59:15 2019