Update plugin id

Author: meanmail

src/main/resources/META-INF/plugin.xml

@@ -1,5 +1,5 @@
 <idea-plugin>
-  <id>ru.meanmail.plugins.pretty-python</id>
+  <id>ru.meanmail.plugins.prettify-python</id>
   <name>Prettify python</name>
   <version>1.0</version>
   <vendor email="plugin@meanmail.ru" url="https://github.com/meanmail">meanmail</vendor>