fix: add sidebar label for Multi-File Reads in documentation

Author: hannesrudolph

docs/features/concurrent-file-reads.md

@@ -1,4 +1,8 @@
-# Concurrent File Reads
+---
+sidebar_label: 'Multi-File Reads'
+---
+
+# Concurrent File Reads (AKA Multi-File Reads)
 
 The Concurrent File Reads feature allows Roo to read multiple files from your workspace in a single step. This significantly improves efficiency when working on tasks that require context from several files, as Roo can gather all the necessary information at once instead of reading files one by one.