1. Allow TPU and GPU support at the same time. 2. Add Dockerfile to run example with [Coral USB](https://coral.ai/products/accelerator/).
Remove restrictions: - Only 1 WASM app at a time - Only 1 model at a time - `graph` and `graph-execution-context` are ignored Refer to previous document: e8d718096d/core/iwasm/libraries/wasi-nn/README.md
e8d718096d/core/iwasm/libraries/wasi-nn/README.md