add external link icon

Signed-off-by: Michel-FK <michel.stempin@funkey-project.com>

docs/tutorials/hardware/change_sd_card.md

@@ -10,17 +10,17 @@ your data.
 ## Download the latest FunKey-OS image file
 
 Get the latest "***FunKey-rootfs-x.y.z.img***" SD card image file
-directly from [here][1] or from the bottom of the latest release page
-in the "assets" section:
+directly from [here:fontawesome-solid-external-link-alt:][1] or from
+the bottom of the latest release page in the "assets" section:
 
-[https://github.com/FunKey-Project/FunKey-OS/releases/latest][2]{target=_blank}
+[https://github.com/FunKey-Project/FunKey-OS/releases/latest:fontawesome-solid-external-link-alt:][2]{target=_blank}
 
 ![Github Release](/assets/images/github_sd_card_image.png){.lightbox}
 
 ## Flash the micro-SD card with balenaEtcher
 
 - Download and install balenaEtcher for Windows/Mac OS/Linux from
-  [balena.io][3]{:target="blank"}
+  [balena.io:fontawesome-solid-external-link-alt:][3]{:target="blank"}
 
 - Run balenaEtcher and click on "Flash from file" to select the
   FunKey-OS image file

docs/tutorials/software/add_roms.md

@@ -4,9 +4,13 @@ Yes legally! Despite the general opinion, it is perfectly possible to
 purchase and play famous ROMs legally such as Sonic, Castlevania,
 Megaman and more, read the note below for more details.
 
-**The FunKey Wiki** maintains [lists][1]{target=_blank} of legal
-sources for ROMs, including [freeware ROMs][2]{target=_blank},
-[commercial ROMs][3]{target=_blank}, and [utilities][4]{target=_blank}.
+**The FunKey Wiki** maintains
+[lists:fontawesome-solid-external-link-alt:][1]{target=_blank} of
+legal sources for ROMs, including [freeware
+ROMs:fontawesome-solid-external-link-alt:][2]{target=_blank},
+[commercial
+ROMs:fontawesome-solid-external-link-alt:][3]{target=_blank}, and
+[utilities:fontawesome-solid-external-link-alt:][4]{target=_blank}.
 
 !!! note "Note about ROM emulation"
 

docs/tutorials/software/copy_opk.md

@@ -8,9 +8,11 @@ does not require installation to be able to run them.
     In the current (2.0.0) release of the FunKey-OS, the **OPK** files
     are only available for the gmenu2x launcher, and not in RetroFE.
 
-[7-Zip][1] can be used to extract **OPK** files, and [Open Package
-Creator (v1.1.2)][2] is a useful tool if you want to re-package an
-**OPK** or customize icons, add additional games and much more.
+[7-Zip:fontawesome-solid-external-link-alt:][1] can be used to extract
+**OPK** files, and [Open Package Creator
+(v1.1.2):fontawesome-solid-external-link-alt:][2] is a useful tool if
+you want to re-package an **OPK** or customize icons, add additional
+games and much more.
 
 Connect your **FunKey S** console to your computer and add **OPK**
 files as simply as you would do it with a simple USB memory stick:

docs/tutorials/software/gb_palette.md

@@ -1,8 +1,9 @@
 # Palette description
 
-The default **FunKey S** Game Boy emulator: _[gnuboy][1]_ allows to
-set the palette used for grayscale when running DMG (original mono
-Gameboy) ROMs.
+The default **FunKey S** Game Boy emulator:
+_[gnuboy:fontawesome-solid-external-link-alt:][1]_ allows to set the
+palette used for grayscale when running DMG (original mono Gameboy)
+ROMs.
 
 There are four variables for this purpose, allowing the background,
 window, and both sprite palettes to be colored differently. Each one

docs/tutorials/software/update.md

@@ -2,10 +2,10 @@ A firmware upgrade can be performed simply over USB without opening
 the **FunKey S** console.
 
 Get the latest "**_FunKey-rootfs-x.y.z.fwu_**" firmware update file
-directly from [here][1] or from the bottom of the latest release page
-in the "assets" section:
+directly from [here:fontawesome-solid-external-link-alt:][1] or from
+the bottom of the latest release page in the "assets" section:
 
-https://github.com/FunKey-Project/FunKey-OS/releases/latest
+[https://github.com/FunKey-Project/FunKey-OS/releases/latest:fontawesome-solid-external-link-alt:][2]{target=_blank}
 
 ![Github Release](/assets/images/Github_Release.png){.lightbox}
 
@@ -23,6 +23,7 @@ https://github.com/FunKey-Project/FunKey-OS/releases/latest
 | ![Updating](/assets/images/Updating.png){.lightbox}                             | The **FunKey S** will then reboot and perform the upgrade                                                                   |
 
 [1]: https://github.com/FunKey-Project/FunKey-OS/releases/download/FunKey-OS-2.0.0/FunKey-rootfs-2.0.0.fwu
+[2]: https://github.com/FunKey-Project/FunKey-OS/releases/latest
 
 --8<--
 includes/glossary.md