Update download.md and troubleshooting.md: Add flatpak override to …

…access xbox_hdd.qcow2 in custom directories (#157)

* Update download.md: Replace `flatseal` with `flatpak override`

* Update troubleshooting.md: Replace `flatseal` with `flatpak override`

* Update download.md

Link to troubleshooting.md#flatpak-release-will-not-load-the-hard-drive for `flatpak override` instructions

* Update troubleshooting.md

* Update troubleshooting.md

Restore flatseal as an alternative option

* Update download.md

restore flatseal as an alternative option

* Update troubleshooting.md

Solved #157 (review)

* Update troubleshooting.md

Solved #157 (review)

* Update download.md

removed duplication of " do so with"

docs/docs/download.md

@@ -57,8 +57,7 @@ Supported architectures: x86_64 and aarch64
 !!! warning "Accessible Directories"
 
 	When using the flatpak installation method, only the `~/.var/app/app.xemu.xemu/data/xemu/xemu` directory can be written to by xemu. The Hard Disk image must be placed there, for example at `~/.var/app/app.xemu.xemu/data/xemu/xemu/xbox_hdd.qcow2`.
-
-	If you want to whitelist additional directories, you can [do so with Flatseal](troubleshooting.md#flatpak-release-will-not-load-bios-mcpx-rom-hard-drive).
+	If you want to whitelist additional directories, you can [do so with `flatseal` or `flatpak override`](troubleshooting.md#flatpak-release-will-not-load-the-hard-drive).
 
 ### Ubuntu PPA
 

docs/docs/troubleshooting.md

@@ -12,14 +12,18 @@ Please check the [list of frequently asked questions](faq.md).
 
 * Surround Sound isn't supported in xemu yet, you should disable this in your [EEPROM](eeprom.md) if you have enabled it.
 
-## Flatpak release will not load BIOS / MCPX ROM / Hard Drive
+## Flatpak release will not load the Hard Drive
 
-Flatpak programs are normally sandboxed, restricting their access to the filesystem.
+As explained in the [readme](https://github.com/flathub/app.xemu.Xemu?tab=readme-ov-file#usage): Only `$HOME/.var/app/app.xemu.xemu/data/xemu/xemu` can be written by xemu. The Hard Disk image has to be placed there, for example, at `$HOME/.var/app/app.xemu.xemu/data/xemu/xemu/xbox_hdd.qcow2`. To enable write permissions for the xbox_hdd.qcow2 hard drive file located outside xemu's flatpak system directory, you must grant xemu access to write in an alternative directory. This can be accomplished using either flatpak or flatseal.
 
-By default, xemu can only access `~/.var/app/app.xemu.xemu/data/xemu/xemu`
+Note: This step is not necessary for other system files, such as the BIOS or the MCPX ROM.
 
-If you want to allow xemu access to other folders, then:
+### Flatpak
+1. `sudo flatpak override app.xemu.xemu --filesystem="$HOME/savedgames/xemu/`
 
+Note: Using the same command non-root with the `flatpak --user` parameter will not work.
+
+### Flatseal
 1. Install [Flatseal](https://flathub.org/apps/details/com.github.tchx84.Flatseal)
 2. Select <kbd>app.xemu.xemu</kbd>
 3. In the <kbd>Filesystem</kbd> section, allow access to the folders your BIOS / MCPX / Hard Drive Image are in