- add message class for help texts

- add migrations for message class
- load messages into vue form for dataset publishing
- check unique email of authors during dataset creation
- adaptions in create-step1.blade.php for tooltip colors
- updated package.json

package-lock.json

@@ -10351,6 +10351,21 @@
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       "integrity": "sha1-e3JN3jty1TFkWifWWXWJ1tiCrTs="
     },
+    "vue-directive-tooltip": {
+      "version": "1.6.3",
+      "resolved": "https://registry.npmjs.org/vue-directive-tooltip/-/vue-directive-tooltip-1.6.3.tgz",
+      "integrity": "sha512-aSdlBIdibctL+Tw+2j+IVUtz/fOZPLMQz0xxSoIGOA223WsPahiybSykJHx6QxtPzWq2phE/OZaCTmvMOVPyeA==",
+      "requires": {
+        "popper.js": "1.15.0"
+      },
+      "dependencies": {
+        "popper.js": {
+          "version": "1.15.0",
+          "resolved": "https://registry.npmjs.org/popper.js/-/popper.js-1.15.0.tgz",
+          "integrity": "sha512-w010cY1oCUmI+9KwwlWki+r5jxKfTFDVoadl7MSrIujHU5MJ5OR6HTDj6Xo8aoR/QsA56x8jKjA59qGH4ELtrA=="
+        }
+      }
+    },
     "vue-events": {
       "version": "3.1.0",
       "resolved": "https://registry.npmjs.org/vue-events/-/vue-events-3.1.0.tgz",