docs: add powershell command and fix phrasing in docs

Signed-off-by: tylerslaton <[email protected]>

Author: tylerslaton

README.md

@@ -59,10 +59,18 @@ Download and install the archive for your platform and architecture from the [re
 
 ### 2. Get an API key from [OpenAI](https://platform.openai.com/api-keys).
 
+#### macOS and Linux
+
 ```shell
 export OPENAI_API_KEY="your-api-key"
 ```
 
+#### Windows
+
+```powershell
+$env:OPENAI = 'your-api-key'
+```
+
 ### 3. Run Hello World
 
 ```shell

docs/docs/02-getting-started.md

@@ -26,10 +26,18 @@ Download and install the archive for your platform and architecture from the [re
 
 ### 2. Get an API key from [OpenAI](https://platform.openai.com/api-keys).
 
+#### macOS and Linux
+
 ```shell
 export OPENAI_API_KEY="your-api-key"
 ```
 
+#### Windows
+
+```powershell
+$env:OPENAI = 'your-api-key'
+```
+
 ### 3. Run Hello World
 
 ```shell

docs/docs/100-tools/02-authoring.md

@@ -30,7 +30,7 @@ For example:
 description: This is a tool that calls a binary.
 args: arg1: The first argument.
 
-#!/usr/bin/env ./path/to/binary
+#!/usr/bin/env ./path/to/binary --arg1="${arg1}"
 ```
 
 ## Shell
@@ -42,11 +42,11 @@ args: arg1: The first argument.
 
 #!/usr/bin/env sh
 echo "Hello, world!"
-./path/to/script.sh
+./path/to/script.sh --arg1="${arg1}"
 ```
 
 ## Python
-You can also call Python scripts directly the same way. For example:
+You can call Python scripts directly, for example:
 
 ```yaml
 description: This is a tool that calls a Python script.
@@ -69,7 +69,7 @@ python3 ./path/to/script.py
 
 ## Node
 
-You can also call Node.js scripts directly the same way. For example:
+You can call Node.js scripts directly, for example:
 
 ```yaml
 description: This is a tool that calls a Node.js script.
@@ -91,7 +91,7 @@ node ./path/to/script.js
 
 ## Golang
 
-You can also call Golang binaries directly the same way. For example:
+You can call Golang binaries directly, for example:
 
 ```yaml
 description: This is a tool that calls a Golang binary.