Add vera rules to check consecutive and trailing empty lines (#3540)

JerryScript-DCO-1.0-Signed-off-by: Dániel Bátyai dbatyai@inf.u-szeged.hu

jerry-ext/arg/arg.c

@@ -17,7 +17,6 @@
 #include "jerryscript-ext/arg.h"
 #include "jerryscript.h"
 
-
 #define JERRYX_STATIC_ASSERT(x, msg) \
   enum { static_assertion_failed_ ## msg = 1 / (!!(x)) }
 

jerry-ext/include/jerryscript-ext/handle-scope.h

@@ -67,7 +67,6 @@ struct jerryx_handle_scope_s
   JERRYX_HANDLE_SCOPE_FIELDS; /**< common handle scope fields */
 };
 
-
 typedef struct jerryx_handle_scope_dynamic_s jerryx_handle_scope_dynamic_t;
 /**
  * Dynamically allocated handle scope type.

jerry-ext/module/module.c

@@ -208,7 +208,6 @@ jerryx_module_resolver_t jerryx_module_native_resolver =
   .resolve_p = jerryx_resolve_native_module
 };
 
-
 static void
 jerryx_module_resolve_local (const jerry_value_t name, /**< name of the module to load */
                              const jerryx_module_resolver_t **resolvers_p, /**< list of resolvers */