Added new build system via Rollup !

Signed-off-by: Avior <florian.bouillon@delta-wings.net>

rollup.config.js

@@ -0,0 +1,68 @@
+import typescript from 'rollup-plugin-typescript2';
+import { terser } from 'rollup-plugin-terser';
+import babel from 'rollup-plugin-babel';
+
+const pkg = require('./package.json')
+const banner = `/*! FormManager ${pkg.version}\n * MIT Licensed\n * https://git.delta-wings.net/dzeio/FormManager\n!*/`
+
+export default [{
+	// Umd module direct browser usage
+	input: 'src/FormManager.full.ts',
+	output: [
+		{
+			file: pkg.browser.replace(".js", ".min.js"),
+			format: 'umd',
+			name: 'fm',
+			banner
+		}, {
+			file: pkg.module.replace(".js", ".min.js"),
+			format: 'es',
+			banner
+		}
+	],
+	plugins: [
+		typescript({
+			useTsconfigDeclarationDir: true,
+		}),
+		babel({
+			exclude: 'node_modules/**',
+			plugins: ['external-helpers'],
+			externalHelpers: true,
+			presets : [[
+				"env", {
+					"targets" : {
+						"browsers" : ["> 1%", "last 2 versions", "Firefox ESR", "not ie_mob <= 12"]
+					},
+					"modules" : false
+				}
+			]],
+		}),
+		terser(),
+
+	]
+}, {
+	// Umd module direct browser usage
+	input: 'src/FormManager.full.ts',
+	output: [
+		{
+			file: pkg.browser,
+			format: 'umd',
+			name: 'fm',
+			sourcemap: true,
+			banner
+		}, {
+			file: pkg.module,
+			format: 'es',
+			sourcemap: true,
+			banner
+		}
+	],
+	plugins: [
+		typescript({
+			useTsconfigDeclarationDir: true,
+		}),
+		babel({
+			exclude: 'node_modules/**'
+		}),
+	]
+}]