Update hardware and firmware documentation for new modules and features

- Removed outdated TODOs and legacy references in hardware documentation.
- Added details on the new CH32V203-based Sensor Module for CAN bus soil moisture sensors.
- Documented updates to the Battery Management System (CH32V203-based) replacing the older bq34z100 design.
- Refined sensor, pump, and power module descriptions with updated specifications.
- Expanded firmware documentation to include Rust-based ESP32-C6 platform details, new OTA procedure, and MQTT telemetry topics.
- Simplified toolchain setup and compilation process with updated scripts and instructions.

website/content/Software/1737993506015-Firmware-Upload/index.md

@@ -6,9 +6,12 @@ description: "a description"
 tags: ["firmeware", "upload"]
 ---
 # From Source
+
+The PlantCtrl firmware is written in Rust for the ESP32-C6 RISC-V microcontroller.
+
 ## Preconditions
 * **Rust:** Current version of `rustup`.
-* **ESP32 Toolchain:** `espup` installed and configured.
+* **ESP32 Toolchain:** `espup` installed and configured for ESP32-C6.
 * **espflash:** Installed via `cargo install espflash`.
 * **Node.js:** `npm` installed (for the web interface).
 
@@ -37,10 +40,8 @@ You can use the provided bash scripts to automate the build and flash process:
 You can also update the firmware wirelessly if the system is already running and connected to your network.
 
 1. Generate the OTA binary:
-   ```bash
-   cargo build --release
-   ```
-2. The binary will be at `target/riscv32imac-unknown-none-elf/release/plant-ctrl2`.
+   **`./image.sh`**
+2. The binary will be `image.bin`.
 3. Open the PlantCtrl web interface in your browser.
 4. Navigate to the **OTA** section.
 5. Upload the `plant-ctrl2` file.