client: improve translation process * Add ability to run the translations Makefile with several users on a multi-user system. For this add -$(LOGNAME) to the template.pot file. This leave the behaviour of this file as is, it still can be inspected. And it allows for parallel use of several users.

#-*-makefile-*-
# Authors: Sascha Wilde <wilde@intevation.de>

.PHONY: all dependencies clean

all:	dependencies
	yarn build

dependencies:
	yarn install --check-files

clean:
	rm -rf ../web