update readme

README.md

-# default python package builder
+# ![](https://git.bitmycode.com/sodimel/default-python-package-builder/wikis/uploads/4fd9a6445ee0d9292f9fb4cec43175d8/dppb.png)
 
-Here's my code to create a python package and install it in a venv.
+**D**efault **P**ython **P**ackage **B**uilder
 
-#### Requirements
+Here's my code to create a python package, install it in a virtual environment, and launch the package.
 
- * Any linux distro
+### Requirements
+
+ * Any linux distro with python3.
  * `python3`
  * `python3-pip`
 
-#### Usage
+----
+
+### Usage
 
 ```bash
 ./installer.sh
 ```
 
-#### Configuration
+----
+
+### Configuration
 
 ##### installer.sh
 
@@ -24,4 +30,12 @@ You can change the name of the virtualenv folder (default = `mypackage-venv`), t
 
 [This](https://docs.python.org/3/distutils/setupscript.html) is the doc.
 
-Modify all strings according to your preferences.
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+Modify all strings according to your preferences.
+
+----
+
+### Demo ?
+
+Okay.
+
+![Demo dppb.](https://up.l3m.in/file/1567339736-dppb-video.webm)
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