style(crystal): fix coding style

Author: n-rodriguez

modules/openapi-generator/src/main/resources/crystal/shard.mustache

@@ -1,10 +1,15 @@
 name: {{{shardName}}}
+
 version: {{{shardVersion}}}
+
 authors:
   - {{{shardAuthors}}}
+
 description: |
   - {{{ shardDescription}}}
+
 crystal: ">= 0.35.1"
+
 dependencies:
   any_hash:
     github: Sija/any_hash.cr
@@ -13,11 +18,11 @@ dependencies:
     version: ~> 1.3.13
 
 development_dependencies:
-  kemal:
-    github: kemalcr/kemal
-    version: ~>1.5.0
   ameba:
     github: crystal-ameba/ameba
+  kemal:
+    github: kemalcr/kemal
+    version: ~> 1.5.0
   spectator:
     gitlab: arctic-fox/spectator
     version: ~> 0.12.0