Add zenodo and citation

Author: 1-Bart-1

.zenodo.json

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+{
+  "title": "SymbolicAWEModels.jl: Symbolic Modeling of Airborne Wind Energy Systems",
+  "description": "A Julia package for symbolic modeling and simulation of Airborne Wind Energy (AWE) systems using ModelingToolkit.jl, with aerodynamics computed via the Vortex Step Method.",
+  "creators": [
+    {
+      "name": "van de Lint, Bart",
+      "affiliation": "Open Source AWE"
+    },
+    {
+      "name": "Poland, Jelle",
+      "affiliation": "Delft University of Technology"
+    },
+    {
+      "name": "Fechner, Uwe",
+      "affiliation": "Delft University of Technology"
+    }
+  ],
+  "license": {
+    "id": "MPL-2.0"
+  },
+  "keywords": [
+    "airborne wind energy",
+    "kite power",
+    "symbolic modeling",
+    "ModelingToolkit",
+    "Julia",
+    "vortex step method",
+    "flight dynamics"
+  ],
+  "related_identifiers": [
+    {
+      "identifier": "https://github.com/OpenSourceAWE/SymbolicAWEModels.jl",
+      "relation": "isSupplementTo",
+      "scheme": "url"
+    }
+  ],
+  "upload_type": "software",
+  "access_right": "open"
+}

CITATION.cff

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+cff-version: 1.2.0
+message: "If you use this software, please cite it as below."
+title: "SymbolicAWEModels.jl"
+type: software
+authors:
+  - family-names: "van de Lint"
+    given-names: "Bart"
+    affiliation: "Open Source AWE"
+  - family-names: "Poland"
+    given-names: "Jelle"
+    affiliation: "Delft University of Technology"
+  - family-names: "Fechner"
+    given-names: "Uwe"
+    affiliation: "Delft University of Technology"
+repository-code: "https://github.com/OpenSourceAWE/SymbolicAWEModels.jl"
+license: MPL-2.0
+version: "0.7.1"
+date-released: "2025-01-01"
+keywords:
+  - airborne wind energy
+  - kite power
+  - symbolic modeling
+  - ModelingToolkit
+  - Julia
+  - vortex step method
+  - flight dynamics
+abstract: >-
+  A Julia package for symbolic modeling and simulation of
+  Airborne Wind Energy (AWE) systems using ModelingToolkit.jl,
+  with aerodynamics computed via the Vortex Step Method.