Update README.md

Author: thiagotgm

README.md

@@ -37,14 +37,14 @@ There are 2 ways to include this framework in your bot:
         ```groovy
         ...
         repositories {
-			      ...
-			      maven { url 'https://jitpack.io' }
-		    }
+            ...
+            maven { url 'https://jitpack.io' }
+        }
         ...
         dependencies {
             ...
             compile 'com.github.ThiagoTGM:ModularCommands:@VERSION@'
-	      }
+        }
         ...
         ```
         Where `@VERSION@` should be replaced with the desired version.