diff --git a/.npmignore b/.npmignore
index b251205..c7969c6 100644
--- a/.npmignore
+++ b/.npmignore
@@ -11,3 +11,6 @@ typedocconfig.ts
 webpack.config.js
 tslint.json
 dist/typedocconfig.d.ts
+Documentation/
+node_modules/
+.travis.yml
diff --git a/.travis.yml b/.travis.yml
new file mode 100644
index 0000000..d493864
--- /dev/null
+++ b/.travis.yml
@@ -0,0 +1,7 @@
+language: node_js
+node_js:
+  - 7
+  - 8
+  - 9
+  - 10
+install: npm install
diff --git a/README.md b/README.md
index 383a327..3e80ba9 100644
--- a/README.md
+++ b/README.md
@@ -1,21 +1,25 @@
 # React Input Form Validation
 
-A customized validatorjs library to validate the react forms. This library is extended version of [validatorjs](https://www.npmjs.com/package/validatorjs).
+[![Build Status](https://api.travis-ci.org/gokulakannant/react-form-input-validation.png?branch=master)](https://travis-ci.org/gokulakannant/react-form-input-validation)
+[![GitHub license](https://img.shields.io/github/license/gokulakannant/react-form-input-validation.svg)](https://github.com/gokulakannant/react-form-input-validation/blob/master/LICENSE.md)
+
+A customized [validatorjs](https://www.npmjs.com/package/validatorjs) library to validate the react forms.
 
 * [Supported Rules](https://www.npmjs.com/package/validatorjs#available-rules) (It is supports all validatorjs rules)
 * [Documentation](https://gokulakannant.github.io/react-form-input-validation/index.html)
+* [Demo](https://codesandbox.io/s/react-form-input-validation-demp-hyuju?fontsize=14&hidenavigation=1&theme=dark) (in CodeSandbox)
 
 ## Why use react-form-input-validation?
 
-* JQuery Free
-* Auto Controlled State
+* JQuery Free.
+* Auto Controlled State.
 * Compatible with libraries like [Material UI](https://material-ui.com/), and etc.
 * Readable and declarative validation rules which is inspired by laravel framework.
 * Error messages with multilingual support.
 
 ## Usage
 
-A example form has given below. View all available apis in [documentation](https://gokulakannant.github.io/react-form-input-validation/classes/reactformvalidator.html)
+A example form has given below. View all available apis in [documentation](https://gokulakannant.github.io/react-form-input-validation/classes/reactformvalidator.html).
 
 ```js
 import React from "react";
@@ -106,7 +110,7 @@ class ValidationForm extends React.Component {
 
 ## Custom attribute name
 
-Refer the below example to override the attribute name
+Refer the below example to override the attribute name,
 
 ```html
     <input
@@ -119,8 +123,8 @@ Refer the below example to override the attribute name
     />
 ```
 
-The output will be like, "The USER NAME field is required."
+The output will be like, "The USER NAME field is required.".
 
 ## License
 
-This project is licensed under the GPLv3 License - see the [LICENSE.md](LICENSE.md) file for details
+This project is licensed under the GPLv3 License - see the [LICENSE.md](LICENSE.md) file for details.
diff --git a/src/types/ReactTypes.ts b/src/types/ReactTypes.ts
index 5dd561e..f0e9586 100644
--- a/src/types/ReactTypes.ts
+++ b/src/types/ReactTypes.ts
@@ -9,17 +9,96 @@ interface IAppState {
     isOwnUpdate?: boolean;
 }
 interface IAppProps { }
-export interface IReactComponent extends Component<IAppProps, IAppState> {
-
+export interface IReactComponent extends Component<IAppProps, IAppState> { }
+export enum Lang {
+    ar = "ar",
+    az = "az",
+    be = "be",
+    bg = "bg",
+    bs = "bs",
+    ca = "ca",
+    cs = "cs",
+    cy = "cy",
+    da = "da",
+    de = "de",
+    el = "el",
+    en = "en",
+    es = "es",
+    et = "et",
+    eu = "eu",
+    fa = "fa",
+    fi = "fi",
+    fr = "fr",
+    hr = "hr",
+    hu = "hu",
+    id = "id",
+    it = "it",
+    ja = "ja",
+    ka = "ka",
+    ko = "ko",
+    It = "It",
+    Iv = "Iv",
+    mk = "mk",
+    mn = "mn",
+    ms = "ms",
+    nb_NO = "nb_NO",
+    nl = "nl",
+    pl = "pl",
+    pt = "pt",
+    pt_BR = "pt_BR",
+    ro = "ro",
+    ru = "ru",
+    se = "se",
+    sl = "sl",
+    sq = "sq",
+    sr = "sr",
+    sv = "sv",
+    tr = "tr",
+    ua = "ua",
+    uk = "uk",
+    vi = "vi",
+    zh = "zh",
+    zh_TW = "zh_TW",
 }
+/**
+ * A dictionary object to have options
+ * @example
+ * ```js
+ * let options = {
+ *      locale: "en"
+ * }
+ * ```
+ */
 export interface IOptions {
-    locale: string;
+    /**
+     * The supported languages are {@link Lang}
+     */
+    locale: Lang;
 }
+/**
+ * A dictionary object.
+ * @example
+ * ```js
+ * {
+ *      has: true,
+ *      message: "The name field is required"
+ * }
+ * ```
+ */
 interface IError {
+    /**
+     * Denotes has error
+     */
     has: boolean;
+    /**
+     * Denotes corresponding error message
+     */
     message: string;
 }
 
 export interface IInputErrors {
+    /**
+     * Denotes all input errors
+     */
     [key: string]: IError;
 }