refactor: add composer.json

composer.json

+{
+  "name": "quiqqer\/interview",
+  "type": "quiqqer-plugin",
+  "description": "Extension for blog and news plugin. This plugin adds some new attributes and provides new bricks.",
+  "license": "GPL-3.0+",
+  "authors": [
+    {
+      "name": "Michael Danielczok",
+      "email": "michael@pcsg.de",
+      "homepage": "http:\/\/www.pcsg.de",
+      "role": "Developer"
+    },
+    {
+      "name": "Dominik Chrzanowski",
+      "email": "dominik.chrzanowski@gmail.com",
+      "role": "Developer"
+    }
+  ],
+  "support": {
+    "email": "support@pcsg.de"
+  },
+  "require": {
+    "quiqqer\/quiqqer": ">=1.6|dev-master|dev-dev",
+    "quiqqer\/blog": ">=1|dev-master|dev-dev",
+    "quiqqer\/news": ">=1|dev-master|dev-dev"
+  },
+  "autoload": {
+    "psr-4": {
+      "QUI\\Interview\\": "src\/QUI\/Interview"
+    }
+  }
+}