add composer.json

+{
+    "name": "bootflat/bootflat",
+    "description": "An open source Flat UI KIT based on Bootstrap (3.1.1). A faster, easier and less repetitive way for web developers to create elegant web apps.",
+    "keywords": [
+        "css",
+        "scss",
+        "flat",
+        "framework",
+        "web"
+    ],
+    "homepage": "http://bootflat.github.io/",
+    "authors": [
+        {
+            "name": "Bootflat",
+            "email": "info@flathemes.com"
+        }
+    ],
+    "support": {
+        "issues": "https://github.com/bootflat/bootflat.github.io/issues"
+    },
+    "license": "MIT"
+}