[LEG-246] Geo overlay (#8881)

* Add AgeBlockedGeo

* Add MaxMind usage text

* Add geo overlay

---------

Co-authored-by: rafael <rafael@blueskyweb.xyz>

bskyweb/cmd/bskyweb/server.go

@@ -606,10 +606,10 @@ type IPCCRequest struct {
 type IPCCResponse struct {
 	CC               string `json:"countryCode"`
 	AgeRestrictedGeo bool   `json:"isAgeRestrictedGeo,omitempty"`
+	AgeBlockedGeo    bool   `json:"isAgeBlockedGeo,omitempty"`
 }
 
-// IP address data is powered by IPinfo
-// https://ipinfo.io
+// This product includes GeoLite2 Data created by MaxMind, available from https://www.maxmind.com.
 func (srv *Server) WebIpCC(c echo.Context) error {
 	realIP := c.RealIP()
 	addr, err := netip.ParseAddr(realIP)