Added codemeta.json file

codemeta.json

+{
+  "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
+  "@type": "SoftwareSourceCode",
+  "license": "https://spdx.org/licenses/BSD-3-Clause",
+  "codeRepository": "git+https://gitlab.opengeosys.org/ogs/container-maker",
+  "contIntegration": "https://gitlab.opengeosys.org/ogs/container-maker/-/pipelines",
+  "dateCreated": "2018-10-15",
+  "datePublished": "2019-01-04",
+  "dateModified": "2020-12-08",
+  "downloadUrl": "https://pypi.org/project/ogscm",
+  "issueTracker": "https://gitlab.opengeosys.org/ogs/container-maker/-/issues",
+  "name": "ogs-container-maker",
+  "version": "2.0.1",
+  "description": "An extension of hpc-container-maker to generate container definition files for the OpenGeoSys software.",
+  "developmentStatus": "active",
+  "isPartOf": "https://www.opengeosys.org",
+  "programmingLanguage": [
+    "Python 3"
+  ],
+  "softwareRequirements": [
+    "https://github.com/NVIDIA/hpc-container-maker"
+  ],
+  "relatedLink": [
+    "https://www.opengeosys.org"
+  ],
+  "author": [
+    {
+      "@type": "Person",
+      "@id": "https://orcid.org/0000-0001-8986-2413",
+      "givenName": "Lars",
+      "familyName": "Bilke",
+      "email": "lars.bilke@ufz.de",
+      "affiliation": {
+        "@type": "Organization",
+        "name": "Helmholtz Centre for Environmental Research – UFZ"
+      }
+    }
+  ]
+}

pyproject.toml

 [tool.poetry]
 name = "ogscm"
-version = "2.0.0"
+version = "2.0.1"
 description = "OGS Container Maker"
 authors = ["Lars Bilke <lars.bilke@ufz.de>"]
 license = "BSD 3-clause"