Update README.md

Remove ufbt directions.  Clarify install directions.
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@ -106,6 +106,7 @@ void subghz_protocol_decoder_keeloq_get_string(void* context, FuriString* output
// Continue with the original code.
```
### HCS300
Two common hardware implementations of KeeLoq are the HCS300, which uses 10 bits in discriminator & the HCS200, which uses 8 bits. The Flipper Zero software implementation decodes using 8 bits. If you make a custom change to the ``.\lib\subghz\protocols\keeloq.c`` file you can return the encoded data, which will be used by the Rolling Flaws application. For "SN00/cfw*" set to "No" to work properly, you will need these changes. For "SN bits/cfw*" set to "10 (dec)", you will also need this changes. These changes allow the application to see the encrypted data, which is needed for the "SN00/cfw*" and "SN bits/cfw*" features to work properly.
Step 1. Change the two occurances of ``decrypt & 0x0000FFFF`` to read ``decrypt``.
@ -150,19 +151,39 @@ Method 2: (command-line + allows for "SN00/cfw*" and "SN bits/cfw*" features + a
- Clone the firmware repository (make sure you use ``git clone --recursive``).
- Copy the ``rolling_flaws`` folder into your firmware's ``applications_user`` folder.
- Build the firmware using ``fbt updater_package``.
- Do the steps in the previous [HCS300](#hcs300) section and then reflash the device.
- ``fbt update_package``
- In qFlipper choose "Install from file" and choose the .tgz file from the ``dist\f7-C`` folder.
Method 3: (VS Code + allows for "SN00/cfw*" and "SN bits/cfw*" features + allows for replay feature)
- Install VS Code
- Install [VS Code](https://code.visualstudio.com/Download)
- Clone the firmware repository (make sure you use ``git clone --recursive``).
- Make sure you have run ``fbt vscode_dist`` at least once, so VSCode works properly.
- Copy the ``rolling_flaws`` folder into your firmware's ``applications_user`` folder.
- Ctrl+Shift+B
- Select "[Debug] Flash (USB, with resources)"
- Select "[Debug] Launch App on Flipper"
- Do the steps in the previous [HCS300](#hcs300) section and then reflash the device
- Select "[Debug] Flash (USB, with resources)"
- Select "[Debug] Launch App on Flipper"
```c
mkdir \repos
cd \repos
git clone https://github.com/jamisonderek/flipper-zero-tutorials.git
git clone --recursive https://github.com/flipperdevices/flipperzero-firmware
cd flipperzero-firmware
fbt vscode_dist
cd applications_user
md rolling-flaws
cd rolling-flaws
xcopy ..\..\..\flipper-zero-tutorials\subghz\apps\rolling-flaws\*.* . /e
cd ..
fbt FORCE=1 flash_usb_full
fbt launch APPSRC=applications_user\rolling-flaws
```
Method 4: (command-line)
- Install [ufbt](https://github.com/flipperdevices/flipperzero-ufbt)
- Switch into the ``rolling_flaws`` folder.
- Install and launch the app using ``ufbt launch``.
## Menu Options
### Config