Added gulp and co

.gitignore

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+node_modules

gulpfile.js

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+var gulp        = require('gulp');
+var uglify		= require('gulp-uglify');
+
+gulp.task("uglify-js", function() {
+    return gulp.src("src/*.js")
+        .pipe(uglify({
+            compress: {
+                hoist_funs: true,
+                hoist_vars: false,
+                warnings: false,
+                drop_console: false,
+                keep_fnames: false,
+                passes: 1
+            }
+        }))
+        .pipe(gulp.dest("dist/"));
+});
+
+gulp.task("default", ["uglify-js"]);

package.json

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+{
+  "name": "lg-autoupdate",
+  "version": "1.0.0",
+  "description": "Adds the possiblity to lightgallery to update the gallery after new images are added to the gallery",
+  "main": "index.js",
+  "scripts": {
+    "test": "echo \"Error: no test specified\" && exit 1"
+  },
+  "repository": {
+    "type": "git",
+    "url": "git+https://github.com/hummal/lg-autoupdate.git"
+  },
+  "keywords": [
+    "lightgallery",
+    "autoupdate"
+  ],
+  "author": "Philipp Winterle",
+  "license": "ISC",
+  "bugs": {
+    "url": "https://github.com/hummal/lg-autoupdate/issues"
+  },
+  "homepage": "https://github.com/hummal/lg-autoupdate#readme",
+  "dependencies": {
+    "gulp": "^3.9.1",
+    "gulp-uglify": "^2.0.0"
+  }
+}