Add new project from OKF network

[okf-network-site]

Dear human,

Here's a new entry for your approval. 🎉

Merge the pull request to accept it, or close it to send it away.

❤️ Your friend Staticman 💪

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Field	Content
name	Open Spending Austria
description	www.offenerhaushalt.at is an open spending platform for Austria's public sector. The spending data of all 2.100 Austrian municipalities from 2001-2023 have been put on the platform. Municipalities can view several interactive visualisations of their data and with two simple clicks make the visualisations avaiable for everybody and release the data sets as open data. >1500 municipalities have joined.
The data is also available as open data and is published to the Austrian open data portal data.gv.at.
organisation_email	institut@kdz.or.at
organisation_website	https://www.kdz.eu
country	AT
languages	German, English
link	https://www.offenerhaushalt.at
date	1732901281