Added composer

composer.json

@@ -0,0 +1,19 @@
+{
+    "name": "techtube/bookinfo",
+    "description": "Package to find a book and return a book info from lubimyczytac.pl",
+    "type": "library",
+    "require": {
+        "guzzlehttp/guzzle": "^7.4"
+    },
+    "autoload": {
+        "psr-4": {
+            "Techtube\\Bookinfo\\": "src/"
+        }
+    },
+    "authors": [
+        {
+            "name": "kplaczek",
+            "email": "kplaczek@wi.ps.pl"
+        }
+    ]
+}