Add grunt-jsonlint and grunt-banana-checker

jsonlint and banana-checker will test for valid i18n files

Bug: T94547
Change-Id: I68f76b69bf6a3d466ca87c83f0ab86998ef8ef74

.gitignore

@@ -1,2 +1,23 @@
+node_modules/
 vendor/
 composer.lock
+
+# Editors
+*.kate-swp
+*~
+\#*#
+.#*
+.*.swp
+.project
+.buildpath
+.classpath
+.settings
+cscope.files
+cscope.out
+*.orig
+## NetBeans
+nbproject*
+project.index
+## Sublime
+sublime-*
+sftp-config.json

Gruntfile.js

@@ -0,0 +1,21 @@
+/*jshint node:true */
+module.exports = function ( grunt ) {
+	grunt.loadNpmTasks( 'grunt-jsonlint' );
+	grunt.loadNpmTasks( 'grunt-banana-checker' );
+
+	grunt.initConfig( {
+		banana: {
+			all: 'i18n/'
+		},
+		jsonlint: {
+			all: [
+				'**/*.json',
+				'!node_modules/**',
+				'!vendor/**'
+			]
+		}
+	} );
+
+	grunt.registerTask( 'test', [ 'jsonlint', 'banana' ] );
+	grunt.registerTask( 'default', 'test' );
+};

package.json

@@ -0,0 +1,11 @@
+{
+	"private": true,
+	"scripts": {
+		"test": "grunt test"
+	},
+	"devDependencies": {
+		"grunt": "1.0.1",
+		"grunt-banana-checker": "0.5.0",
+		"grunt-jsonlint": "1.1.0"
+	}
+}