📄 Add info on how to setup environment

docs/setup-environment.md

@@ -0,0 +1,20 @@
+All tools are intended to be run on either WSL or Linux.
+
+# Setup
+
+1. On Windows 10, install the Windows Subsystem for Linux (WSL) with either the Ubuntu or Debian distribution.
+
+2. Open a command line shell: Press Win+R and enter `bash`.
+
+2. Install Node.js [(source)](https://nodejs.org/en/download/package-manager/#debian-and-ubuntu-based-linux-distributions):
+
+    ```bash
+    wget -qO- https://deb.nodesource.com/setup_10.x | sudo -E bash -
+    sudo apt-get install -y nodejs
+    ```
+
+3. Install npm modules:
+
+    ```bash
+    sudo npm install -g typescript
+    ```