Update documentation and guide (#89)

Author: spinn

GUIDE.md

@@ -164,3 +164,5 @@ event to know when the user is in the complete screen and handle the rest manual
   # make changes, test and submit pull request with description of changes
   ```
 * If you think you found a bug, create an issue that thoroughly explains the problem, with clear steps to reproduce.
+
+Made with [Vue.js](https://vuejs.org/)

README.md

@@ -15,7 +15,7 @@ Requirements:
 
 After checking the prerequisites, follow these simple steps to install and use Vue Form:
 
-```
+```shell
 # clone the repo
 $ git clone https://github.com/ditdot-dev/vue-form.git myproject
 
@@ -25,7 +25,7 @@ $ cd myproject
 
 If you use npm:
 
-```
+```shell
 $ npm install
 
 # serve with hot reload at localhost:8080 by default.
@@ -37,7 +37,7 @@ $ npm run build
 
 If you use yarn:
 
-```
+```shell
 $ yarn install
 
 # serve with hot reload at localhost:8080 by default.
@@ -47,6 +47,8 @@ $ yarn serve
 $ yarn build
 ```
 
+Made with [Vue.js](https://vuejs.org/)
+
 ## Browser Support
 
 Modern browsers and IE11.