Fix the default name of .kattlo file generated by init command

Signed-off-by: fabiojose <fabiojose@gmail.com>

Author: fabiojose

README.md

@@ -43,7 +43,7 @@ configurations for:
 ### Linux Binary
 
 ```bash
-curl 'https://github.com/kattlo/kattlo-cli/releases/download/v0.2.0/kattlo-v0.2.0-linux' \
+curl 'https://github.com/kattlo/kattlo-cli/releases/download/v0.2.1/kattlo-v0.2.1-linux' \
   -o 'kattlo'
 
 sudo chmod +x kattlo

build.gradle

@@ -36,7 +36,7 @@ dependencies {
 }
 
 group 'com.github.kattlo'
-version '0.2.0'
+version '0.2.1'
 
 compileJava {
     options.encoding = 'UTF-8'

src/main/java/com/github/kattlo/EntryCommand.java

@@ -38,7 +38,7 @@
 @Slf4j
 public class EntryCommand {
 
-    private static final String DEFAULT_CONFIG_FILE = ".kattlo.yml";
+    private static final String DEFAULT_CONFIG_FILE = ".kattlo.yaml";
 
     private File configuration;