docs: add README.md for curl example

curl/README.md

+# curl
+
+## Voraussetzung
+
+Folgende Pakete werden zur Ausführung des Skripts benötigt:
+
+- **curl** (command line tool and library for transferring data with URLs) - (Website)[https://curl.se/]
+- **jq** (leightweight and flexible command-line JSON processor) - (Website)[https://jqlang.github.io/jq/]
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