Updated wiki pages to use lfs objects (#58)

- Added stm32f4 hal and ll drivers pdf
- Removed all the lfs objects to the old wiki
- Removed lfs gitattribute garbage

Signed-off-by: Henry Pauli <henry@mixict.nl>

Co-authored-by: Henry Paulissen <henry@mixict.nl>

wiki/applications/Sub-1-GHz-radio.md

@@ -9,7 +9,7 @@ CC1101 is well known universal transceiver designed for low-power wireless appli
 
 User should be able to detect which frequency used in specific device. For example detect if unknown remote transmit on 433MHz or 868MHz
 
-![frequency scan example](https://github.com/Flipper-Zero/wiki/raw/master/images/rf_scan.png)
+![frequency scan example](https://github.com/Flipper-Zero/flipperzero-firmware-community/raw/master/wiki_static/rf_scan.png)
 
 ## Signal Analyzer
 
@@ -46,4 +46,4 @@ For this flipper should have library of popular remotes brands.
 ## Main menu
 
 * Sniffer
-* Saved
+* Saved