build: update readme and setup

Author: thefab

.metwork-framework/README.md

@@ -28,6 +28,15 @@ The file size is: {% raw %}{{ 30000000|humanize_naturalsize(binary=False, gnu=Tr
 
 ```
 
+You can use the same logic with all supported functions. If you need other functions, feel
+free to open a PullRequest.
+
+## Installation
+
+```
+pip install jinja2-humanize-extension
+```
+
 ## Full example
 
 ```python

setup.py

@@ -6,7 +6,7 @@
         if (line and not line.startswith('--')) and (";" not in line)]
 
 with open(".metwork-framework/README.md") as f:
-    long_description = f.read()
+    long_description = f.read().replace("{% raw %}", "").replace("{% endraw %}", "")
 
 setup(
     author="Fabien MARTY",