big merge of 2388redis & 2669tor (#2790)

FAQ.md

@@ -390,6 +390,14 @@ If your RaspiBlitz is not working correctly and you like to get help from the co
 
 *PLEASE NOTICE: It's possible that these logs can contain private information (like IPs, node IDs, ...) - just share publicly what you feel OK with.*
 
+### Can I run my RaspiBlitz on Solar Energy?
+
+Yes - take a look at the project of [Chimezie Chuta](https://twitter.com/mezie16/status/1264513274080636928?s=20)
+
+![RaspiSolar](pictures/raspisolar.jpg)
+
+More details in his book ["A-Z of Building your own Full Bitcoin Lightning Node: A hand Book for Enthusiasts"](https://blockspace.shop/products/a-z-of-building-your-own-full-bitcoin-lightning-node-a-hand-book-for-enthusiasts)
+
 ### Why is my "final sync" taking so long?
 
 First of all if you see a final sync over 90% and you can see from time to time small increase - you should be OK ... this can take a looong time to catch up with the network. Only in the case that you actively choose the `SYNC` option in the `Getting the Blockchain` is a final sync under 90% OK. If you did a torrent or a copy from another computer and you are seeing under 90% something went wrong, and the setup process is ignoring your prepared Blockchain and doing a full sync - which can almost take forever on a raspberryPi.
@@ -909,7 +917,6 @@ It is currently considered completely fine to leave this field empty and not pro
 The `acme.sh` script is installed in `/home/admin/.acme.sh/` - the configuration and the certificates are stored on the
 external hard disk in `/mnt/hdd/app-data/letsencrypt`.
 
-
 ### What is this mnemonic seed word list?
 
 With the 24 word list given you by LND upon wallet creation you can recover your private key. You should write it down and store it at a safe place. Bear in mind that *this 24 word mnemonic seed is not based on the BIP 39* and therefore cannot be recovered using a Bitcoin wallet.