add basic readme

Author: lazyoracle

README.md

@@ -1 +1,19 @@
 # Analysis of isotropic errors in QC algorithms
+
+## Installation
+
+### Clone the repository
+```bash
+git clone https://github.com/lazyoracle/isotropic-error-analysis
+```
+
+### Install library and dependencies
+```bash
+cd isotropic-error-analysis
+pip install -e .\[all\]
+```
+
+### Run notebooks
+```bash
+jupyter notebook notebooks/01_isotropic_error_perturbation.ipynb
+```