Add a web extension and debian package compilation (#5)

Reviewed-on: #5
Co-authored-by: Julien Fastré <julien.fastre@champs-libres.coop>
Co-committed-by: Julien Fastré <julien.fastre@champs-libres.coop>

web-extension/.idea/.gitignore

@@ -0,0 +1,8 @@
+# Default ignored files
+/shelf/
+/workspace.xml
+# Editor-based HTTP Client requests
+/httpRequests/
+# Datasource local storage ignored files
+/dataSources/
+/dataSources.local.xml