add zipapp build doc, and add to sidebar

Author: 0hsn

docs/setup.md

@@ -23,3 +23,5 @@ pipx upgrade chk
 ```
 
 Otherwise, if _pip_ was used to install then same process given above should work for upgrade as well.
+
+Alternatively, chkware tool can be build and use as a zipapp, [following this instruction](/setup/build-zipapp).

docs/setup/build-zipapp.md

@@ -0,0 +1,63 @@
+---
+title: Build cli zipapp
+---
+
+CHKware `zipapp` is a self contained executable alike utility that once build can be used from anywhere. However, it have python version dependency.
+
+Follow these steps to bundle `chkware` as [zipapp](https://docs.python.org/3/library/zipapp.html).
+
+- Please confirm that [Python 3.11.x](https://www.python.org/downloads) is installed and setup on this machine
+
+- Clone the repo
+
+    ```bash
+    git clone https://github.com/chkware/cli.git cli-zip
+    ```
+  
+- Change to the directory
+
+    ```bash
+    cd cli-zip
+    ```
+
+- Make directory for local _virtualenv_ setup
+
+    ```bash
+    python -m venv .venv
+    ```
+
+- Switch to the _virtualenv_
+
+    ```bash
+    source .venv/bin/activate
+    ```
+
+    or on windows
+
+    ```bash
+    .venv/Scripts/activate.bat
+    ```
+
+- Install all required packages
+
+    ```bash
+    pip install -U -r requirements.txt
+    ```
+
+- Install shiv for building the zipapp
+
+    ```bash
+    pip install -U shiv
+    ```
+  
+- Use the environment's python to build the zipapp. Refer to shiv [documentation](https://shiv.readthedocs.io/en/latest/#:~:text=let%E2%80%99s%20break%20this%20command%20down%2C) for further explanation.
+
+    ```bash
+    python -m shiv -c chk -o chk.pyz .
+    ```
+
+- `chk.pyz` is generated in the project folder. You can move it to anywhere on your machine, and put it on your machine's environment variable or `$PATH`. Then, use it as follows:
+
+    ```bash
+    chk.pyz http tests/resources/storage/sample_config/xkcd-joke.chk
+    ```

sidebars.js

@@ -70,6 +70,7 @@ const sidebars = {
         "setup/setup-ext-dev",
         "setup/setup-cli-dev",
         "setup/setup-site-dev",
+        "setup/build-zipapp",
       ],
     },
   ],