- Commented several empty sections in mkdocs.yml (will reactivate them later if someone fills them)

- Enabled 'Directory Structure' section that was not present in mkdocs.yml
- Removed all links to empty sections
- Fixed incorrect links that led to a 404 error
- Updated art covers url
- Redirected former FunKey OS links to my release page
- Updated a few things in some sections
- Fixed a few typos

docs/developer_guide/hardware_reference/buttons.md

@@ -126,7 +126,7 @@ are shared with the other I2C peripherals (the PMIC) on the bus.
 It is then much easier to route this dense PCB by delegating the
 button GPIO handling to a satellite chip.
 
-[1]: /developers/hardware/power/pmic
+[1]: /developer_guide/hardware_reference/power/pmic
 [2]: https://hackaday.io/project/134065
 [3]: https://github.com/FunKey-Project/FunKey-S-Hardware/blob/master/Datasheets/Replacement%20EVP-BB1AAB000-(Operating%20force%20120GF%EF%BC%89.pdf
 [4]: https://github.com/FunKey-Project/FunKey-S-Hardware/blob/master/Datasheets/replacement%20EVP-AEBB2A-1.pdf

docs/developer_guide/hardware_reference/cpu.md

@@ -203,7 +203,7 @@ resistor **R11** connected internally like this:
 More information on the DDR2 DRAM ZQ Calibration subject can be found
 in this [Micron Application Note][14].
 
-[1]: /developers/hardware/design/#design-constraints
+[1]: /developer_guide/hardware_reference/#design-constraints
 [2]: https://www.electronicsweekly.com/news/products/memory/how-to-guide-for-on-chip-memory-2012-06/
 [3]: https://www.apple.com/mac/m1/
 [4]: https://www.microchip.com/design-centers/32-bit-mpus/sip-som/system-in-package

docs/developer_guide/hardware_reference/power/decoupling.md

@@ -110,12 +110,12 @@ DRAM power supply voltage level, which is used for the integrated DDR2
 DRAM merged drivers and dynamic on-chip termination already discussed
 at the end of the previous [CPU schematic description][6].
 
-[1]: /developers/hardware/cpu
-[2]: /developers/hardware/power/pmic
-[3]: /developers/hardware/audio
-[4]: /developers/hardware/buttons
+[1]: /developer_guide/hardware_reference/cpu/#crystals
+[2]: /developer_guide/hardware_reference/power/pmic
+[3]: /developer_guide/hardware_reference/audio/#schematic
+[4]: /developer_guide/hardware_reference/buttons/#schematics
 [5]: https://github.com/Squonk42/V3s_Documentation/blob/master/V3s%20hardware%20design%20guide%20V1.0_20150519%20EN%20Non%20Official.pdf
-[6]: /developers/hardware/cpu
+[6]: /developer_guide/hardware_reference/cpu/#dram
 
 --8<--
 includes/glossary.md

docs/developer_guide/hardware_reference/power/multiple_voltages.md

@@ -105,7 +105,7 @@ supply voltage has a good reason to exist:
   swing and increase the possible CPU frequency. Given the required
   current, a SMPS is required for reaching a good efficiency, too
 
-[1]: /developers/hardware/cpu#cpu-schematics
+[1]: /developer_guide/hardware_reference/cpu/#cpu-schematics
 [2]: https://github.com/Squonk42/V3s_Documentation/blob/master/V3S_CDR_STD_V1_0_20150514.pdf
 
 --8<--

docs/developer_guide/hardware_reference/power/pmic.md

@@ -292,7 +292,7 @@ phones.
 [10]: https://github.com/Squonk42/V3s_Documentation/raw/master/V3s%20hardware%20design%20guide%20V1.0_20150519%20EN%20Non%20Official.pdf
 [11]: https://github.com/FunKey-Project/FunKey-S-Hardware/blob/master/Datasheets/1811151533_JST-Sales-America-SM02B-SRSS-TB-LF-SN_C160402.pdf
 [12]: https://github.com/FunKey-Project/FunKey-S-Hardware/blob/master/Datasheets/C165977_%E8%B4%B4%E7%89%87LED%E8%93%9D%E8%89%B2_2018-01-26.PDF
-[13]: /developers/hardware/magnetic_switch
+[13]: /developer_guide/hardware_reference/magnetic_switch/
 --8<--
 includes/glossary.md
 --8<--

docs/developer_guide/hardware_reference/sd-card.md

@@ -117,7 +117,7 @@ supply voltage when initially powered up.
 [1]: https://www.sdcard.org/downloads/pls/click.php?p=Part1_Physical_Layer_Simplified_Specification_Ver6.00.jpg&f=Part1_Physical_Layer_Simplified_Specification_Ver6.00.pdf&e=EN_SS1
 [2]: https://www.jedec.org/document_search/field_keywords/emmc-3147
 [3]: https://www.mouser.com/catalog/specsheets/an10911.pdf
-[4]: /developers/hardware/cpu
+[4]: /developer_guide/hardware_reference/cpu/#sd-card
 [5]: https://github.com/FunKey-Project/FunKey-S-Hardware/blob/master/Datasheets/C266613_%E6%8A%BD%E6%8B%89%E5%BC%8FTF%E5%8D%A1%E5%BA%A7_2018-08-20.PDF
 
 --8<--