[resources/eu][s]: markdownify the notes.md and update with latest version of (now obsolete) wiki.openspending.org/EU_Spending (which is where it came from).
[resources/eu][s]: markdownify the notes.md and update with latest version of (now obsolete) wiki.openspending.org/EU_Spending (which is where it came from).

openspending/community.openspending.org,openspending/community.openspending.org,openspending/community.openspending.org,openspending/community.openspending.org,openspending/community.openspending.org