Update macos docs with wezterm CLI installation (#2619)

* Update macos docs with wezterm CLI installation

wezterm binary is not by default available in shells like the default zsh or bash, on macos we need to explicitly add the path to the wezterm binaries inside the WezTerm.app

* Update docs/install/macos.markdown

Co-authored-by: Wez Furlong <wez@wezfurlong.org>

docs/install/macos.markdown

@@ -14,7 +14,12 @@ with support for both Apple Silicon and Intel hardware.
 3. First time around, you may need to right click and select `Open` to allow launching
    the application that your just downloaded from the internet.
 3. Subsequently, a simple double-click will launch the UI
-4. Configuration instructions can be [found here](../config/files.html)
+4. To use wezterm binary from a terminal emulator, like `wezterm ls-fonts` you'll need to add the location to the wezterm binary folder that exists _inside_ the WezTerm.app, to your environment's $PATH value. For example, to add it to your `~/.zshrc` file, and assuming your WezTerm.app was installed to `/Applications`, add:
+```sh
+PATH="$PATH:/Applications/WezTerm.app/Contents/MacOS"
+export PATH
+```
+5. Configuration instructions can be [found here](../config/files.html)
 
 ## Homebrew
 
@@ -45,3 +50,4 @@ WezTerm is also available via [MacPorts](https://ports.macports.org/port/wezterm
 $ sudo port selfupdate
 $ sudo port install wezterm
 ```
+