build(npm): install and configure semantic-release (node-js)

package.json

+{
+  "name": "repdav",
+  "private": true,
+  "devDependencies": {
+    "@semantic-release/changelog": "^6.0.1",
+    "@semantic-release/git": "^10.0.1",
+    "@semantic-release/gitlab": "^7.0.4",
+    "semantic-release": "^19.0.2"
+  },
+  "release": {
+    "branches": [
+      "main"
+    ],
+    "plugins": [
+      "@semantic-release/commit-analyzer",
+      "@semantic-release/release-notes-generator",
+      [
+        "@semantic-release/changelog",
+        {
+          "changelogFile": "CHANGELOG.md"
+        }
+      ],
+      [
+        "@semantic-release/gitlab",
+        {
+          "gitlabUrl": "https://gitlab.gwdg.de",
+          "assets": [
+            {
+              "path": "CHANGELOG.md",
+              "label": "Changelog"
+            }
+          ]
+        }
+      ],
+      [
+        "@semantic-release/git",
+        {
+          "assets": [
+            "CHANGELOG.md"
+          ]
+        }
+      ]
+    ]
+  }
+}