Add composer to the project

composer.json

+{
+  "name": "etersoft/typos_client",
+  "description": "This package is a part of Etersoft Typos system - typo fixing system.",
+  "minimum-stability": "stable",
+  "license": "proprietary",
+  "authors": [
+    {
+      "name": "George Popoff",
+      "email": "ambulance@etersoft.ru"
+    }
+  ]
+}
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