[Enhancement] Add CITATION.cff (#1)

* Create CITATION.cff

* Create cffconvert.yml

* Fix typo

.github/workflows/cffconvert.yml

@@ -0,0 +1,27 @@
+# SPDX-FileCopyrightText: 2021 Stephan Druskat <[email protected]>
+# SPDX-License-Identifier: CC0-1.0
+
+name: cffconvert
+
+on:
+  push:
+    paths:
+      - CITATION.cff
+
+permissions:
+  contents: read
+
+jobs:
+  validation:
+    name: validate
+    runs-on: ubuntu-latest
+    steps:
+      - name: checkout
+        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b
+        with:
+          persist-credentials: false
+
+      - name: cffconvert
+        uses: citation-file-format/cffconvert-github-action@4cf11baa70a673bfdf9dad0acc7ee33b3f4b6084
+        with:
+          args: "--validate"

CITATION.cff

@@ -0,0 +1,19 @@
+# SPDX-FileCopyrightText: 2021 Stephan Druskat <[email protected]>
+# SPDX-License-Identifier: CC0-1.0
+
+abstract: Tracks `CITATION.cff` files across public repositories.
+authors:
+  - family-names: Druskat
+    given-names: Stephan
+    orcid: https://orcid.org/0000-0003-4925-7248
+cff-version: 1.2.0
+license:
+  - CC0-1.0
+  - CC-BY-4.0
+  - MIT
+message: Please cite this repository using these meta data.
+repository-artifact: https://github.com/sdruskat/cfftracker
+repository-code: https://github.com/sdruskat/cfftracker
+title: cfftracker
+type: dataset
+url: https://github.com/sdruskat/cfftracker