update panel os list

Author: Boy132

docs/panel/getting-started.mdx

@@ -22,26 +22,30 @@ so please take some time to read through them before asking for help on the foru
 
 Pelican runs on a wide range of operating systems, so pick whichever you are most comfortable using. Note: Other OS's, not listed below, might still work.
 
+This documentation assumes a Debian/Ubuntu based OS with apt as package manager.
+
 <Admonition type="warning">
     OpenVZ, **unless specifically configured**, will **not** work with Pelican.
 </Admonition>
 
-| Operating System | Version | Supported | Notes                                                                 |
-|:----------------:|:--------:|:---------:|:---------------------------------------------------------------------:|
-| **Ubuntu**       | 22.04    |     ✅︎︎    |                                                                      |
-|                  | **24.04**|     ✅︎    |   Documentation written assuming Ubuntu 24.04 as the base OS.        |
-| **Alma Linux**   | 10       |     ✅︎    |                                                                      |
-|                  | 9        |     ⚠️   | **No SQLite Support**                                                |
-|                  | 8        |     ⚠️   | **No SQLite Support**                                                |
-| **Rocky Linux**  | 10       |     ✅︎    |                                                                      |
-|                  | 9        |     ⚠️   | **No SQLite Support**                                                |
-|                  | 8        |     ⚠️   | **No SQLite Support**                                                |
-| **CentOS**       | 10       |     ✅︎    |                                                                      |
-| **Debian**       | 11       |     ⚠️   | **No SQLite Support**                                                |
-|                  | 12       |     ✅︎    |                                                                      |
+| Operating System | Version | Supported | Notes                                                               |
+|:----------------:|:-------:|:---------:|:--------------------------------------------------------------------:|
+| **Ubuntu**       | 22.04   |     ✅︎︎    |                                                                      |
+|                  | 24.04   |     ✅︎    |                                                                      |
+|                  | 26.04   |     ✅︎    |                                                                      |
+| **Debian**       | 11      |     ⚠️   | **No SQLite Support**                                                |
+|                  | 12      |     ✅︎    |                                                                      |
+|                  | 13      |     ✅︎    |                                                                      |
+| **Alma Linux**   | 8       |     ⚠️   | **No SQLite Support**                                                |
+|                  | 9       |     ⚠️   | **No SQLite Support**                                                |
+|                  | 10      |     ✅︎    |                                                                      |
+| **Rocky Linux**  | 8       |     ⚠️   | **No SQLite Support**                                                |
+|                  | 9       |     ⚠️   | **No SQLite Support**                                                |
+|                  | 10      |     ✅︎    |                                                                      |
+| **CentOS**       | 10      |     ✅︎    |                                                                      |
 
 SQLite support depends on [libsqlite3-0_3.35+](https://pkgs.org/download/libsqlite3-0) being on the host system.
-**No SQLite Support** means you'll have to build the package from source.
+"No SQLite Support" means you'll have to build the package from source.
 
 ### Dependencies