[docs] Add initial README

README.md

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+# Tensor Compiler
+
+**Tensor Compiler** is a tool that converts models in the **ONNX** format into an intermediate representation (**IR**) using an **MLIR dialect**.
+
+Currently, the project supports core neural network operations including:
+- Conv
+- Relu
+- Add
+- Mul
+- MatMul
+- Gemm
+- Transpose
+
+---
+
+## Requirements
+
+* LLVM + MLIR **version 20 or newer**  
+  - either built from source, or  
+  - installed system-wide 
+
+---
+
+## Build Instructions
+
+### 1. Create and activate a virtual environment
+
+```bash
+python -m venv venv
+source venv/bin/activate
+```
+
+### 2. Install Conan
+
+```bash
+pip install conan
+```
+
+### 3. Install dependencies
+
+```bash
+conan install . --build=missing -s build_type=Release
+```
+
+### 4. Configure CMake
+
+```bash
+cmake --preset conan-release \
+  -DMLIR_DIR=/path/to/llvm-project/build/lib/cmake/mlir \
+  -DLLVM_DIR=/path/to/llvm-project/build/lib/cmake/llvm
+```
+
+❗ **Important:**
+You must provide paths to your built LLVM and MLIR installations:
+
+* `MLIR_DIR` — path to the `mlir` directory inside the LLVM build
+* `LLVM_DIR` — path to the `llvm` directory inside the LLVM build
+
+---
+
+### 5. Build the project
+
+```bash
+cmake --build --preset conan-release
+```
+
+---
+
+### 6. Run tests
+
+```bash
+ctest --test-dir build/Release
+```
+
+---
+
+## Usage
+
+After building, you can pass an ONNX model to the compiler to generate MLIR IR:
+
+```bash
+./build/Release/tensor-compiler <model.onnx>
+```
+---
+
+## Maintainer
+Developed and maintained by [ask0later](https://t.me/ask0later#). Feel free to open issues and contribute.
+
+---