Update README.md

README.md

@@ -13,7 +13,9 @@ Embulk input plugin similar to local file input which overloads FileInputStream
 - **option1**: path_prefix (string, required)
 
 ## Example
+
 seed.yml:
+
 ```yaml
 exec:
   min_output_tasks: 1
@@ -31,12 +33,19 @@ out:
 ```
 
 ## Run
+
 ```
 $ embulk -J-O run -L embulk-parser-none-bin -L embulk-input-filename -L embulk-output-wendelin seed.yml
 ```
 
 ## Build
 
+```
+$ ./gradlew package
+```
+
+## Build Package
+
 ```
 $ ./gradlew gem  # -t to watch change of files and rebuild continuously
 ```