docs: improve image list readability

README.md

@@ -101,22 +101,12 @@ While it's recommended to use a Fedora Atomic iso to install and then rebase tha
 ./generate_secureblue_iso.sh
 ```
 
-## Images
+## Images <sup>[What's are userns?](USERNS.md)</sup>
 ### Recommended,<sup>[why?](RECOMMENDED.md)</sup> Stable
-#### Without User Namespaces <sup>[What's the difference?](USERNS.md)</sup>
 - `silverblue-main-hardened`
 - `silverblue-nvidia-hardened`
 - `bluefin-main-hardened`
 - `bluefin-nvidia-hardened`
-##### server
-- `server-main-hardened`
-- `server-nvidia-hardened`
-- `server-zfs-main-hardened`
-- `server-zfs-nvidia-hardened`
-##### asus <sup>[source](https://github.com/ublue-os/hwe/tree/main/asus)</sup>
-- `silverblue-asus-hardened`
-- `silverblue-asus-nvidia-hardened`
-#### With User Namespaces <sup>[What's the difference?](USERNS.md)</sup>
 - `bluefin-dx-main-userns-hardened`
 - `bluefin-dx-nvidia-userns-hardened`
 - `bluefin-main-userns-hardened`
@@ -124,32 +114,27 @@ While it's recommended to use a Fedora Atomic iso to install and then rebase tha
 - `silverblue-main-userns-hardened`
 - `silverblue-nvidia-userns-hardened`
 ##### asus <sup>[source](https://github.com/ublue-os/hwe/tree/main/asus)</sup>
+- `silverblue-asus-hardened`
+- `silverblue-asus-nvidia-hardened`
 - `silverblue-asus-userns-hardened`
 - `silverblue-asus-nvidia-userns-hardened`
 ##### server
+- `server-main-hardened`
+- `server-nvidia-hardened`
+- `server-zfs-main-hardened`
+- `server-zfs-nvidia-hardened`
 - `server-main-userns-hardened`
 - `server-nvidia-userns-hardened`
 - `server-zfs-main-userns-hardened`
 - `server-zfs-nvidia-userns-hardened`
 
-
 ### Stable
-#### Without User Namespaces <sup>[What's the difference?](USERNS.md)</sup>
 - `kinoite-main-hardened`
 - `kinoite-nvidia-hardened`
 - `aurora-main-hardened`
 - `aurora-nvidia-hardened`
 - `sericea-main-hardened`
 - `sericea-nvidia-hardened`
-##### asus <sup>[source](https://github.com/ublue-os/hwe/tree/main/asus)</sup>
-- `aurora-asus-hardened`
-- `aurora-asus-nvidia-hardened`
-- `kinoite-asus-hardened`
-- `kinoite-asus-nvidia-hardened`
-##### surface <sup>[source](https://github.com/ublue-os/hwe/tree/main/surface)</sup>
-- `aurora-surface-hardened`
-- `aurora-surface-nvidia-hardened`
-#### With User Namespaces <sup>[What's the difference?](USERNS.md)</sup>
 - `kinoite-main-userns-hardened`
 - `kinoite-nvidia-userns-hardened`
 - `aurora-main-userns-hardened`
@@ -159,6 +144,10 @@ While it's recommended to use a Fedora Atomic iso to install and then rebase tha
 - `sericea-main-userns-hardened`
 - `sericea-nvidia-userns-hardened`
 ##### asus <sup>[source](https://github.com/ublue-os/hwe/tree/main/asus)</sup>
+- `aurora-asus-hardened`
+- `aurora-asus-nvidia-hardened`
+- `kinoite-asus-hardened`
+- `kinoite-asus-nvidia-hardened`
 - `aurora-asus-userns-hardened`
 - `aurora-asus-nvidia-userns-hardened`
 - `aurora-dx-asus-userns-hardened`
@@ -166,14 +155,14 @@ While it's recommended to use a Fedora Atomic iso to install and then rebase tha
 - `kinoite-asus-userns-hardened`
 - `kinoite-asus-nvidia-userns-hardened`
 ##### surface <sup>[source](https://github.com/ublue-os/hwe/tree/main/surface)</sup>
+- `aurora-surface-hardened`
+- `aurora-surface-nvidia-hardened`
 - `aurora-surface-userns-hardened`
 - `aurora-surface-nvidia-userns-hardened`
 - `aurora-dx-surface-userns-hardened`
 - `aurora-dx-surface-nvidia-userns-hardened`
 
-
 ### Experimental
-#### Without User Namespaces <sup>[What's the difference?](USERNS.md)</sup>
 - `cinnamon-main-hardened`
 - `cinnamon-nvidia-hardened`
 - `wayblue-wayfire-main-hardened`
@@ -184,7 +173,6 @@ While it's recommended to use a Fedora Atomic iso to install and then rebase tha
 - `wayblue-river-nvidia-hardened`
 - `wayblue-sway-main-hardened`
 - `wayblue-sway-nvidia-hardened`
-#### With User Namespaces <sup>[What's the difference?](USERNS.md)</sup>
 - `cinnamon-main-userns-hardened`
 - `cinnamon-nvidia-userns-hardened`
 - `wayblue-wayfire-main-userns-hardened`