Add Bridges build, shared configs, and radio model

- Add 85mm drone (Bridges) with Happymodel CrazyBee F405
- Add radio model copy (RadioMaster Boxer, PORTER)
- Add modes.txt with annotated AUX/switch mapping
- Add HDZero OSD 4:3 config
- Add vtx/ directory structure for HDZero and Walksnail OSD configs
- Add BF version field to all drones in README

README.md

@@ -9,14 +9,15 @@ freestyle rigs. All flying on ExpressLRS 2.4GHz with a RadioMaster Boxer.
 
 ## 85 mm — `85mm-hdzero/`
 
-- **Name:**
+- **Name:** Bridges
 - **Frame:**
 - **Prop size:** 85 mm / tri-blade
-- **FC:** Happymodel
+- **FC:** Happymodel CrazyBee F405 (STM32F405) — BF: CRAZYBEEF405
 - **ESC:**
+- **BF version:** 2026.6.0-alpha
 - **Receiver:**
 - **ELRS firmware:** 4.0.0
-- **VTX:** HDZero
+- **VTX:** HDZero / OSD 4:3
 - **Motor:**
 - **Weight:**
 
@@ -27,6 +28,7 @@ freestyle rigs. All flying on ExpressLRS 2.4GHz with a RadioMaster Boxer.
 - **Prop size:** 3 inch / bi-blade / Gemfan Hurricane 3018 (3x1.8)
 - **FC:** Flywoo F405S AIO (STM32F405 / ICM42688P) — BF: FLYWOOF405S_AIO, INAV: FLYWOOF405HD
 - **ESC:** Flywoo 4-in-1 12A BLHeli_S (Z_H_30_REV16.7) / 1-2S
+- **BF version:**
 - **Receiver:** ELRS Mini 2.4GHz (SX1280) Nano
 - **ELRS firmware:** 4.0.0
 - **VTX:** Walksnail Lite 1S
@@ -40,6 +42,7 @@ freestyle rigs. All flying on ExpressLRS 2.4GHz with a RadioMaster Boxer.
 - **Prop size:** 3.5 inch
 - **FC:** Taker G4 45A 8Bit AIO (STM32G473 / ICM42688P) — BF: TAKERG4AIO
 - **ESC:** Taker G4 4-in-1 45A (QF32MT / F4A AIO) / 2-6S
+- **BF version:** 2026.6.0-alpha
 - **Receiver:** Happymodel EP1/EP2 2.4GHz (ISM2G4)
 - **ELRS firmware:** 4.0.0
 - **VTX:** HDZero Race
@@ -53,6 +56,7 @@ freestyle rigs. All flying on ExpressLRS 2.4GHz with a RadioMaster Boxer.
 - **Prop size:** 5 inch
 - **FC:**
 - **ESC:**
+- **BF version:**
 - **Receiver:**
 - **ELRS firmware:** 4.0.0
 - **VTX:** Walksnail Moonlight 4K
@@ -66,6 +70,7 @@ freestyle rigs. All flying on ExpressLRS 2.4GHz with a RadioMaster Boxer.
 - **Prop size:** 5 inch
 - **FC:** Flywoo Goku F722 Pro V2 (STM32F722 / ICM42688) — BF: FLYWOO F722PRO, INAV: FLYWOO F722PRO
 - **ESC:** Flywoo Goku G55M 4-in-1 55A AM32 (AT32DEVF421) / 3-6S
+- **BF version:**
 - **Receiver:**
 - **ELRS firmware:** 4.0.0
 - **VTX:** HDZero