feat: update workspace paths and enhance gitignore

- Updated stablediffusion crate path from "../stable-diffusion-burn" to "./crates/stable-diffusion-burn" for proper workspace resolution
- Enhanced .gitignore to include generated model files (.mpk, .pt, .bin, .safetensors, .ckpt) and user_data directory
- Added Cargo.lock to gitignore with appropriate comment
- Reorganized IDE files section in gitignore for better clarity
- Added newline at end of file for proper formatting

crates/stable-diffusion-burn/burn-crates/burn-ndarray/README.md

@@ -0,0 +1,30 @@
+# Burn NdArray
+
+> [Burn](https://github.com/tracel-ai/burn) ndarray backend
+
+[![Current Crates.io Version](https://img.shields.io/crates/v/burn-ndarray.svg)](https://crates.io/crates/burn-ndarray)
+[![license](https://shields.io/badge/license-MIT%2FApache--2.0-blue)](https://github.com/tracel-ai/burn-ndarray/blob/master/README.md)
+
+## Feature Flags
+
+This crate can be used without the standard library (`#![no_std]`) with `alloc` by disabling the
+default `std` feature.
+
+The following flags support various BLAS options:
+
+- `blas-accelerate` - Accelerate framework (macOS only)
+- `blas-netlib` - Netlib
+- `blas-openblas` - OpenBLAS static linked
+- `blas-openblas-system` - OpenBLAS from the system
+
+Note: under the `no_std` mode, the seed is fixed if the seed is not
+initialized by `Backend::seed` method.
+
+### Platform Support
+
+| Option     | CPU | GPU | Linux | MacOS | Windows | Android | iOS | WASM |
+| :--------- | :-: | :-: | :---: | :---: | :-----: | :-----: | :-: | :--: |
+| Pure Rust  | Yes | No  |  Yes  |  Yes  |   Yes   |   Yes   | Yes | Yes  |
+| Accelerate | Yes | No  |  No   |  Yes  |   No    |   No    | Yes |  No  |
+| Netlib     | Yes | No  |  Yes  |  Yes  |   Yes   |   No    | No  |  No  |
+| Openblas   | Yes | No  |  Yes  |  Yes  |   Yes   |   Yes   | Yes |  No  |