restore composer.json, add mysqli extension

public/vendor/fileinput/package.json

@@ -0,0 +1,48 @@
+{
+    "name": "bootstrap-fileinput",
+    "version": "5.0.7",
+    "homepage": "https://github.com/kartik-v/bootstrap-fileinput",
+    "authors": [
+        "Kartik Visweswaran <kartikv2@gmail.com>"
+    ],
+    "description": "An enhanced HTML 5 file input for Bootstrap 3.x with file preview, multiple selection, ajax uploads, and more features.",
+    "repository": {
+        "type": "git",
+        "url": "https://github.com/kartik-v/bootstrap-fileinput.git"
+    },
+    "bugs": {
+        "url": "https://github.com/kartik-v/bootstrap-fileinput/issues"
+    },
+    "keywords": [
+        "file",
+        "input",
+        "preview",
+        "image",
+        "upload",
+        "ajax",
+        "multiple",
+        "delete",
+        "progress",
+        "gallery"
+    ],
+    "dependencies": {
+        "bootstrap": ">= 3.4.1",
+        "jquery": ">= 1.9.0",
+        "opencollective-postinstall": "^2.0.2"
+    },
+    "main": "./js/fileinput.js",
+    "style": "./css/fileinput.css",
+    "sass": "scss/fileinput.scss",
+    "peerDependencies": {
+        "jquery": ">= 1.9.0",
+        "bootstrap": ">= 3.0.0"
+    },
+    "license": "BSD-3-Clause",
+    "collective": {
+        "type": "opencollective",
+        "url": "https://opencollective.com/bootstrap-fileinput"
+    },
+    "scripts": {
+        "postinstall": "opencollective-postinstall || true"
+    }
+}