Rename method "delete" on docs and examples

Author: raphaelpor

README.md

@@ -77,9 +77,9 @@ fitch.patch(apiUrl, req)
   .then(data => console.log(data))
 ```
 
-### delete
+### del
 ```js
-fitch.delete(apiUrl)
+fitch.del(apiUrl)
   .then(data => console.log(data))
 ```
 

docs/Methods.md

@@ -36,10 +36,10 @@ fitch.patch(apiUrl, req)
   .then(data => console.log(data))
 ```
 
-**delete(url, config)**
+**del(url, config)**
 
 ```js
-fitch.delete(apiUrl)
+fitch.del(apiUrl)
   .then(data => console.log(data))
 ```
 

examples/index.js

@@ -48,6 +48,6 @@ fitch.patch(`${baseUrl}/2`, reqUpdate).then(resp =>
 ).catch(fitch.error);
 
 // DELETE
-fitch.delete(`${baseUrl}/2`).then(resp =>
+fitch.del(`${baseUrl}/2`).then(resp =>
   console.log('DELETE\t>>>', resp)
 ).catch(fitch.error);