Label browsing: more labels, style updates, etc.

content/concepts/payment-system-basics/accounts/accounts.md

@@ -3,6 +3,7 @@ html: accounts.html
 parent: payment-system-basics.html
 blurb: Learn about accounts in the XRP Ledger. Accounts can send transactions and hold XRP.
 labels:
+  - Accounts
   - Payments
 ---
 # Accounts

content/concepts/payment-system-basics/accounts/reserves.md

@@ -4,6 +4,7 @@ parent: accounts.html
 blurb: XRP Ledger accounts require a reserve of XRP to reduce spam in ledger data.
 labels:
   - Fees
+  - Accounts
 ---
 # Reserves
 

content/concepts/payment-system-basics/accounts/tickets.md

@@ -3,6 +3,8 @@ html: tickets.html
 parent: accounts.html
 blurb: Send transactions in non-sequential order.
 status: not_enabled
+labels:
+  - Accounts
 ---
 # Tickets