add CITATION.cff file

CITATION.cff

@@ -0,0 +1,12 @@
+cff-version: 1.2.0
+message: If you use this software, please cite it as below.
+title: PIDMR-parser-service
+authors:
+  - family-names: Kokogiannaki
+    given-names: Argiro
+  - name: OpenAIRE
+version: 1.0.0
+date-released: 2024-11-15
+repository-code: https://code-repo.d4science.org/argiro.kokogiannaki/pid-parser-service
+license: AGPL
+

package.json

@@ -8,6 +8,7 @@
     "prepare-dist": "rm -rf dist; mkdir dist; cp package.json ./dist; cp -r pidResolverService.js parsers model ./dist; cp properties.file ./dist;"
   },
   "author": "Argiro Kokogiannaki <argirok@athenarc.gr>",
+  "license": "AGPL",
   "dependencies": {
     "axios": "^1.6.7",
     "body-parser": "^1.20.2",