Sync npmignore with gitignore.

.npmignore

@@ -5,6 +5,10 @@
 # is any build artifacts that are needed at runtime should be included
 # in npm but excluded from git.
 
+# Python n things
+env/
+.env
+*.pyc
 
 # GeoMOOSE demo site specific config file
 examples/desktop/config.js
@@ -15,6 +19,8 @@ examples/geomoose
 *~
 *.bak
 *.swp
+# Created by PyCharm editor
+docs/.idea
 
 # macOS droppings
 .DS_Store
@@ -36,3 +42,6 @@ geomoose*.tgz
 # Don't package useless source map (the source URLs are all webpack relative
 # which can't resolve to anything in production.)
 dist/geomoose.min.js.map
+
+# Ignore GitHub configuration releases
+.github/