chore: define gulp file

.gitignore

@@ -0,0 +1,10 @@
+# Created by .ignore support plugin (hsz.mobi)
+### Yeoman template
+node_modules/
+bower_components/
+*.log
+
+build/
+dist/
+
+

gulpfile.js

@@ -0,0 +1,18 @@
+var gulp = require('gulp');
+var clean = require('gulp-clean');
+var uglify = require('gulp-uglify');
+var ngAnnotate = require('gulp-ng-annotate');
+
+gulp.task('clean:dist', function () {
+  return gulp.src('dist')
+    .pipe(clean());
+});
+
+gulp.task('build', ['clean:dist'], function() {
+  return gulp.src('src/**/*.js')
+    .pipe(ngAnnotate())
+    .pipe(uglify())
+    .pipe(gulp.dest('dist'));
+});
+
+gulp.task('default', ['build']);