Merge pull request #617 from lightninglabs/docs-lnd

Update lnd documentation

docs/lnd/release-notes/release-notes-0.18.0.md

@@ -191,6 +191,9 @@
   [Deprecate bumpclosefee for bumpforceclosefee and add `max_fee_rate` option
    to `closechannel` cmd](https://github.com/lightningnetwork/lnd/pull/8350).
 
+* The [`closeallchannels` command now asks for confirmation before closing 
+  all channels](https://github.com/lightningnetwork/lnd/pull/8526).
+
 # Improvements
 ## Functional Updates
 ### Tlv
@@ -339,6 +342,10 @@
 * [Refactor UpdateInvoice](https://github.com/lightningnetwork/lnd/pull/8100) to
   make it simpler to adjust code to also support SQL InvoiceDB implementation.
 
+* [InvoiceDB implementation](https://github.com/lightningnetwork/lnd/pull/8052)
+  for SQL backends enabling new users to optionally use  an experimental native
+  SQL invoices database.
+
 ## Code Health
 
 * [Remove database pointers](https://github.com/lightningnetwork/lnd/pull/8117)