Add release notes for 4.1.0 and update config version

Include release notes for version 4.1.0 detailing changes, bug fixes, and dependency updates. Update `_config.yml` to reflect the new version and release date.

Author: gjong

_config.yml

@@ -1,8 +1,8 @@
 title: Pledger.io
 
 release:
-  version: 4.0.2
-  date: 2025-02-21
+  version: 4.1.0
+  date: 2025-02-23
 
 github:
   repository: pledger-io/user-documentation

_release-notes/v4.x/index.adoc

@@ -1,2 +1,3 @@
 
+include::v4.1.0.adoc[]
 include::v4.0.0.adoc[]

_release-notes/v4.x/v4.1.0.adoc

@@ -0,0 +1,26 @@
+
+== 4.1.0
+
+*Release date: 2025-02-23*
+
+=== Changes
+
+- Update the layout to work better on smaller devices like phones.
+- Add the code coverage measurements for the UI.
+
+=== Bug fixes
+
+- Hotfix transfer listing not working.
+- Fix an issue in the query for the daily balance.
+
+=== Dependency updates
+
+==== Front-end
+
+- Update dependency eslint to v9.21.0
+- Update dependency tailwindcss to v4.0.8
+
+==== Back-end
+
+- Update dependency org.junit.jupiter:junit-jupiter-api to v5.12.0
+