reseed.yggurl and persist.addressbook added

contrib/i2pd.conf

@@ -185,6 +185,8 @@ verify = true
 ## URLs to request reseed data from, separated by comma
 ## Default: "mainline" I2P Network reseeds
 # urls = https://reseed.i2p-projekt.de/,https://i2p.mooo.com/netDb/,https://netdb.i2p2.no/
+## Reseed URLs through the Yggdrasil, separated by comma
+# yggurls = http://[324:9de3:fea4:f6ac::ace]:7070/
 ## Path to local reseed data file (.su3) for manual reseeding
 # file = /path/to/i2pseeds.su3
 ## or HTTPS URL to reseed from
@@ -236,6 +238,8 @@ verify = true
 [persist]
 ## Save peer profiles on disk (default: true)
 # profiles = true
+## Save full addresses on disk (default: true)
+# addressbook = true 
 
 [cpuext]
 ## Use CPU AES-NI instructions set when work with cryptography when available (default: true)