Extract & shim DynProvider

CHANGELOG.md

@@ -9,6 +9,7 @@
    * [ConstellixProvider](https://github.com/octodns/octodns-constellix/)
    * [DigitalOceanProvider](https://github.com/octodns/octodns-digitalocean/)
    * [DnsimpleProvider](https://github.com/octodns/octodns-dnsimple/)
+   * [DynProvider](https://github.com/octodns/octodns-dynprovider/)
    * [Ns1Provider](https://github.com/octodns/octodns-ns1/)
    * [PowerDnsProvider](https://github.com/octodns/octodns-powerdns/)
    * [Route53Provider](https://github.com/octodns/octodns-route53/) also

README.md

@@ -199,7 +199,7 @@ The table below lists the providers octoDNS supports. We're currently in the pro
 | [DigitalOceanProvider](https://github.com/octodns/octodns-digitalocean/) | [octodns_digitalocean](https://github.com/octodns/octodns-digitalocean/) | | | | |
 | [DnsMadeEasyProvider](/octodns/provider/dnsmadeeasy.py) | | | A, AAAA, ALIAS (ANAME), CAA, CNAME, MX, NS, PTR, SPF, SRV, TXT | No | CAA tags restricted |
 | [DnsimpleProvider](https://github.com/octodns/octodns-dnsimple/) | [octodns_dnsimple](https://github.com/octodns/octodns-dnsimple/) | | | | |
-| [DynProvider](/octodns/provider/dyn.py) | | dyn | All | Both | |
+| [DynProvider](https://github.com/octodns/octodns-dyn/) (deprecated) | [octodns_dyn](https://github.com/octodns/octodns-dyn/) | | | | |
 | [EasyDNSProvider](/octodns/provider/easydns.py) | | | A, AAAA, CAA, CNAME, MX, NAPTR, NS, SRV, TXT | No | |
 | [EtcHostsProvider](/octodns/provider/etc_hosts.py) | | | A, AAAA, ALIAS, CNAME | No | |
 | [EnvVarSource](/octodns/source/envvar.py) | | | TXT | No | read-only environment variable injection |

requirements.txt

@@ -5,7 +5,6 @@ azure-mgmt-dns==8.0.0
 azure-mgmt-trafficmanager==0.51.0
 dnspython==1.16.0
 docutils==0.16
-dyn==1.8.1
 edgegrid-python==1.1.1
 fqdn==1.5.0
 google-cloud-core==1.4.1