add basic.rs example file

.gitignore

@@ -1,2 +1,3 @@
+/dist
 /target
 /Cargo.lock

examples/basic.rs

@@ -0,0 +1,35 @@
+use std::path::Path;
+
+use shulkerbox::{
+    datapack::{Command, Condition, Datapack, Execute},
+    util::compile::CompileOptions,
+};
+
+fn main() {
+    let mut dp = Datapack::new(16).with_supported_formats(16..=20);
+    let namespace = dp.namespace_mut("test");
+
+    let foo_function = namespace.function_mut("foo");
+    foo_function.add_command("say Hello, world!");
+    foo_function.add_command(Command::Debug("debug message".into()));
+
+    let call_func = Command::from(foo_function);
+    let bar_function = namespace.function_mut("bar");
+    bar_function.add_command(call_func);
+    bar_function.add_command(Command::Execute(Execute::As(
+        "@a".to_string(),
+        Box::new(Execute::If(
+            Condition::from("block ~ ~ ~ minecraft:stone")
+                | !(!Condition::from("block ~ ~1 ~ minecraft:stone")
+                    | "block ~ ~-1 ~ minecraft:stone".into()),
+            Box::new(Execute::Run(Box::new("say bar".into()))),
+            None,
+        )),
+    )));
+
+    namespace.get_main_function_mut().add_command("say tick");
+
+    let v_folder = dp.compile(&CompileOptions::default());
+
+    v_folder.place(Path::new("./dist")).unwrap();
+}