docs: added sections for installation and usage

README.md

@@ -1,2 +1,60 @@
-# keyweave
+<h1 align="center">
-fetching secrets from Azure Key Vault and weaving them into a convenient .env file
+    <img src="https://github.com/bartvdbraak/keyweave/assets/3996360/bed7f004-e897-46e5-98a4-c654251c0e17" alt="Cluster" width="336">
+</h1>
+
+# Keyweave
+
+Keyweave is an open-source tool designed to seamlessly fetch secrets from Azure Key Vault and weave them into a convenient `.env` file. Developed in Rust, Keyweave is efficient and easy to use, making it an ideal choice for managing your application's secrets.
+
+## Features
+
+- **Fetch Secrets**: Retrieve secrets securely from Azure Key Vault.
+- **Filtering**: Optionally filter the secrets to be retrieved by name.
+- **Output Customization**: Choose the name of the output file, defaulting to `.env`.
+- **Azure Default Credentials**: Utilizes Azure default credentials for authentication.
+
+## Prerequisites
+
+- **Rust**: Ensure you have Rust installed on your system. If not, you can install it using [rustup](https://rustup.rs/).
+- **Azure Account**: Log into your Azure tenant and set up the right subscription.
+
+## Installation
+
+Clone the repository to your local machine:
+
+```sh
+git clone https://github.com/your-username/keyweave.git
+cd keyweave
+```
+
+Build the project:
+
+```sh
+cargo build --release
+```
+
+## Usage
+
+After building the project, you can run Keyweave using the following command:
+
+```sh
+cargo run -- --vault_name <VAULT_NAME> [--output <FILE>] [--filter <FILTER>]
+```
+
+- `--vault_name <VAULT_NAME>`: Sets the name of the Azure Key Vault.
+- `--output <FILE>`: (Optional) Sets the name of the output file (default: `.env`).
+- `--filter <FILTER>`: (Optional) Filters the secrets to be retrieved by name.
+
+## Example
+
+```sh
+cargo run -- --vault_name my-key-vault --output my-env-file.env --filter my-secret
+```
+
+## License
+
+Keyweave is licensed under the MIT License. See [LICENSE](LICENSE) for more details.
+
+## Contributing
+
+We welcome contributions! Please feel free to submit pull requests, report issues, or suggest new features.