make sure that scoreboards get registered before all other functions

examples/basic.rs

@@ -7,7 +7,7 @@ fn main() {
     // create a new datapack
     let mut dp = Datapack::new("example", 16).with_supported_formats(16..=20);
 
-    dp.register_scoreboard("example_scoreboard", Some("dummy"), None);
+    dp.register_scoreboard("example_scoreboard", None::<&str>, None::<&str>);
 
     // get the namespace "example"
     let namespace = dp.namespace_mut("example");

src/datapack/mod.rs

@@ -195,10 +195,14 @@ impl Datapack {
             minecraft_namespace
                 .to_mut()
                 .tag_mut("load", tag::TagType::Function)
-                .add_value(tag::TagValue::Simple(format!(
+                .values_mut()
+                .insert(
+                    0,
+                    tag::TagValue::Simple(format!(
                         "{}:sb/register_scoreboards",
                         self.main_namespace_name
-                )));
+                    )),
+                );
         }
 
         if let Some(uninstall_commands) = uninstall_commands {

src/datapack/tag.rs

@@ -37,10 +37,16 @@ impl Tag {
 
     /// Get the values of the tag.
     #[must_use]
-    pub fn get_values(&self) -> &Vec<TagValue> {
+    pub fn values(&self) -> &[TagValue] {
         &self.values
     }
 
+    /// Get a mutable reference to the values of the tag.
+    #[must_use]
+    pub fn values_mut(&mut self) -> &mut Vec<TagValue> {
+        &mut self.values
+    }
+
     /// Add a value to the tag.
     pub fn add_value(&mut self, value: TagValue) {
         self.values.push(value);
@@ -186,7 +192,7 @@ mod tests {
             required: true,
         });
 
-        assert_eq!(tag.get_values().len(), 2);
+        assert_eq!(tag.values().len(), 2);
 
         let compiled = tag.compile(&CompileOptions::default(), &MutCompilerState::default());