adds markdown filter

app/filters.py

@@ -1,5 +1,6 @@
 from app import app
 import hashlib
+import markdown
 
 
 @app.template_filter('none_filter')
@@ -20,3 +21,8 @@ def md5_filter(value):
 @app.template_filter('str')
 def str_filter(value):
     return str(value)
+
+
+@app.template_filter('markdown')
+def md(value):
+    return markdown.markdown(value)