the config contains "no ip routing", which turns off routing of IP packets. Thus you can not forward IP packets towards the Internet. Also CEF is turned off and usually the router has a better performance with CEF enabled. So please configure:
Router#copy running-config startup-config
The rest does look not too bad, so lets start from enabling routing and then work from there.
We have configured the outside and inside Interface with official ipv6 adresses, set a default route on outside Interface to our router, we also have definied a rule , which also gets hits, to permit tcp from inside Interface to any6.
In Syslog I also se...