Add documentation for admin page

docs/administration/index.md

@@ -20,6 +20,7 @@ Specific information:
 - [Installing preservable file formats](installing-preservable-file-formats.md)
 - [Installing metadata schemas](installing-metadata-schemas.md)
 - [Installing datarequest module](installing-datarequest-module.md)
+- [Setting portal themes via Admin GUI](setting-theme.md)
 - Rulesets changes:
     - [Applying a temporary local change to a ruleset](hotfixing-ruleset.md)
     - [Applying a permanent local change to a ruleset](local-ruleset-patch.md)
@@ -31,6 +32,8 @@ Specific information:
 
 - [Graciously stopping revision and replication jobs](setting-job-flags.md)
 - [Using Python-irodsclient](using-python-irodsclient.md)
+- [Setting a maintenance banner via Admin GUI](setting-maintenance-banner.md)
+
 
 ## Troubleshooting
 

docs/administration/installing-terms.md

@@ -22,4 +22,11 @@ To add a new terms file just put it in the `/${RODSZONE}/yoda/terms` collection
 iput "${TERMS}.txt" "/${RODSZONE}/yoda/terms/${TERMS}.html"
 ```
 
+From version 1.10, Yoda simplifies managing publication terms with a new GUI on the Admin page.  Just enter and save terms directly in the GUI; they're instantly updated and stored as an HTML page at `/var/www/yoda/config/publication_terms.html`. The system now checks this folder first before looking at the iRODS server for any terms. See the picture below for an example.
+
+<div style="text-align: center;">
+    <img src="./img/yoda-admin-terms.png" alt="Example of Installing Terms with GUI" style="width: 50%; height: auto;">
+    <p style="color: gray;">    Example of Installing Terms with GUI</p>
+</div>
+
 All vault packages with an action log record "submitted for publication" from before the create time of the new terms file were accepted under the old terms.

docs/administration/setting-maintenance-banner.md

@@ -0,0 +1,13 @@
+---
+parent: Administration Tasks
+title: Setting a maintenance banner via Admin GUI
+nav_order: 19
+---
+# Setting a maintenance banner via Admin GUI
+From version 1.10, administrators can easily set or remove the maintenance banner using the Admin GUI. Configuration settings for the banner are stored in `/var/www/yoda/config/admin_settings.json`. Below is an example of a typical maintenance banner.
+
+<div style="text-align: center;">
+    <img src="./img/yoda-admin-banner.png" alt="Example of Setting a Maintenance Banners via Admin GUI" style="width: 50%; height: auto;">
+    <p style="color: gray;">    Example of Setting a Maintenance Banners with GUI</p>
+
+</div>

docs/administration/setting-theme.md

@@ -0,0 +1,29 @@
+---
+parent: Administration Tasks
+title: Setting portal themes via Admin GUI
+nav_order: 20
+---
+# Setting portal themes via Admin GUI  
+From version 1.10, Yoda simplifies setting portal themes with a new GUI on the Admin page. Once the templates are installed in the `yoda/themes/`, just select the theme  directly in the dropdown list; the theme is instantly updated. See the example below for changing the theme to VU.
+
+<div style="text-align: center;">
+    <img src="./img/yoda-admin-theme.png" alt="Example of Setting Themes with GUI" style="width: 50%; height: auto;">
+    <p style="color: gray;">Example of Setting Themes with GUI</p>
+</div>
+
+Below is a list of the pre-installed theme options available. Each theme is presented in the format of template folder : displayed name.
+
+    uu: Utrecht University - Default
+    uu_its: Utrecht University - ITS
+    uu_gw: Utrecht University - Humanities
+    uu_youth: Utrecht University - YOUth
+    uu_i-lab: Utrecht University - i-lab
+    uu_science: Utrecht University - Science
+    uu_fsw: Utrecht University - Social Science
+    uu_geo: Utrecht University - Geo
+    uu_dgk: Utrecht University - Veterinary Medicine
+    uu_dag: Utrecht University - Data Archive for Geoscience (DAG)
+    vu: Vrije University Amsterdam
+    wur: Wageningen University & Research
+
+To install a new theme to be selected, users need to prepare the theme package following the instructions provided in the [Theme Packages](../design/overview/theme-packages.md) documentation. 

docs/design/overview/theme-packages.md

@@ -171,6 +171,9 @@ To create another select2 theme first copy the select2-theme-uu.scss file, and t
 ```
 The theming is based on this [select2 bootstrap 5 theme](https://github.com/g10f/select2-bootstrap-5-theme) fork.
 
+## Theme change via Admin GUI
+From version 1.10 onward, Yoda supports changing themes through the admin GUI; to make themes available, add their packages (including templates and static files) to `/var/www/yoda/themes`, where the admin page recognizes available themes by reading the folder names—as Flask scans this directory for themes. Once you select a new theme via the admin page, it updates the theme configuration in `/var/www/yoda/config/admin_settings.json` under the YODA_THEME key (e.g., "YODA_THEME": "uu").
+
 ## DavRODS theming
 
 DavRODS uses different theming logic than the portal. By default, it uses the themed logo of the portal.