[Grid] Expose datafiles utils as API for backward compatibility

Author: alexrobin

sensors/weather/sensorhub-utils-grid/build.gradle

@@ -18,7 +18,7 @@ rootProject.allprojects {
 
 dependencies {
   implementation 'org.sensorhub:sensorhub-core:' + oshCoreVersion
-  implementation project(':sensorhub-utils-datafiles')
+  api project(':sensorhub-utils-datafiles')
   embeddedApi ('edu.ucar:grib:4.6.10') {
     exclude group: 'com.amazonaws', module: 'aws-java-sdk-s3'
     exclude group: 'org.apache.httpcomponents', module: 'httpcore'