Add metadata files (#1176)

Author: carstenartur

.zenodo.json

@@ -10,6 +10,7 @@
   "license": "EPL-2.0",
   "upload_type": "software",
   "access_right": "open",
+  "version": "1.3.2-SNAPSHOT",
   "keywords": [
     "Eclipse",
     "Eclipse JDT",

CITATION.cff

@@ -10,6 +10,7 @@ authors:
 repository-code: "https://github.com/carstenartur/sandbox"
 url: "https://carstenartur.github.io/sandbox/"
 license: "EPL-2.0"
+version: "1.3.2-SNAPSHOT"
 keywords:
   - eclipse
   - eclipse-jdt

codemeta.json

@@ -0,0 +1,48 @@
+{
+  "@context": "https://doi.org/10.5063/schema/codemeta-2.0",
+  "@type": "SoftwareSourceCode",
+  "name": "Sandbox",
+  "description": "Experimental Eclipse JDT cleanup plugins, quick fixes and related tooling for Eclipse-based Java development.",
+  "codeRepository": "https://github.com/carstenartur/sandbox",
+  "issueTracker": "https://github.com/carstenartur/sandbox/issues",
+  "license": "https://spdx.org/licenses/EPL-2.0",
+  "version": "1.3.2-SNAPSHOT",
+  "programmingLanguage": [
+    "Java"
+  ],
+  "runtimePlatform": "Eclipse, Java 21, Maven, Tycho",
+  "applicationCategory": "Developer Tools, Static Analysis, Eclipse Plugin",
+  "keywords": [
+    "Eclipse",
+    "Eclipse JDT",
+    "Java",
+    "Refactoring",
+    "Cleanup",
+    "Quick Fix",
+    "Static Analysis",
+    "JUnit",
+    "Encoding",
+    "Streams",
+    "AST"
+  ],
+  "author": {
+    "@type": "Person",
+    "@id": "https://orcid.org/0009-0005-1047-6381",
+    "givenName": "Carsten",
+    "familyName": "Hammer",
+    "url": "https://github.com/carstenartur"
+  },
+  "maintainer": {
+    "@type": "Person",
+    "@id": "https://orcid.org/0009-0005-1047-6381",
+    "givenName": "Carsten",
+    "familyName": "Hammer",
+    "url": "https://github.com/carstenartur"
+  },
+  "developmentStatus": "active",
+  "softwareRequirements": [
+    "Java 21+",
+    "Maven",
+    "Eclipse target platform"
+  ]
+}