docs: add some links for spike of rpi runing

Cargo.toml

@@ -1,8 +1,6 @@
 [workspace]
 members = [
-    "./inference_core",
-
-    "./inference_wasm",
-
-    "./inference_grpc",
+    "inference_core",
+    "inference_wasm",
+    "inference_grpc",
 ]

README.md

@@ -1,5 +1,7 @@
 # EdgeInference
 
+[![Rust](https://github.com/unit-mesh/edge-inference/actions/workflows/rust.yml/badge.svg)](https://github.com/unit-mesh/edge-inference/actions/workflows/rust.yml)
+
 EdgeInference is a gRPC-based server tailored for running ONNX models on edge devices, such as Android, iOS, or other
 microcontroller units (MCUs).
 
@@ -25,6 +27,23 @@ Platform:
 - [ ] AutoComplete: Auto-complete your code, your life.
 - [ ] Summarization: Summarize your text, your life.
 
+## Resources
+
+### MCU
+
+ToSpike
+
+- [ ] Raspberry Pi Zero W, Flash: 512 MB, SRAM: 512 MB
+    - Official: [Raspberry Pi Zero W](https://www.raspberrypi.com/products/raspberry-pi-zero/)
+    - [Using Rust to Control a Raspberry Pi Zero W Rover](https://disconnected.systems/blog/rust-powered-rover/)
+
+Not working:
+
+- Arduino M0 Pro, Flash: 256 KB, SRAM: 32Kb
+    - Official: [Arduino M0 Pro](https://docs.arduino.cc/retired/boards/arduino-m0-pro)
+    - Rust's [cortex-m-quickstart](https://github.com/rust-embedded/cortex-m-quickstart)]
+
+
 ## License
 
 This project is licensed under the MIT License, See [LICENSE](LICENSE) for the full license text.