Update README.md

README.md

@@ -6,6 +6,32 @@ It's my personal layout for the [custom build](https://gitea.dmz.rs/Decentrala/c
 ![Overview Alternative](/images/photos/overview_alt.jpg?raw=true)
 > "Tastatura" is the Serbian word for "keyboard".
 
+## Initial Flash
+
+- Clone the Vial repository:
+  ```
+  git clone --recurse-submodules git@github.com:vial-kb/vial-qmk.git
+  cd vial-qmk
+  ```
+- (Optional) Change the layer count in the config:
+  ```
+  vial-qmk/keyboards/cantor/keymaps/vial/config.h
+  ```
+- Connect the controller to your computer using a USB cable
+- Start the flashing process for the controller (Docker required):
+  ```
+  sudo util/docker_build.sh cantor:vial:flash
+  ```
+- Use the onboard BOOT0 and NRST button to put the board into bootloader mode:
+  - press and hold the BOOT0 button
+  - press and release NRST (reset) button to power cycle the processor
+  - release BOOT0 button
+  - For additional details, refer to: [STM32 Black Pill](https://land-boards.com/blwiki/index.php?title=STM32_Black_Pill)
+- Repeat the flashing process for the second controller.
+- Download the Vial configurator: https://get.vial.today/
+- Configure udev rules for the first launch: https://get.vial.today/manual/linux-udev.html
+- Open the Vial configurator.
+
 ## Layout
 
 ### Base Layer