Added main example code with info logger

Author: Guelakais

examples/minimal_logging/src/main.rs

@@ -0,0 +1,23 @@
+use rclrs::{create_node, log, Context, RclrsError, ToLogParams, QOS_PROFILE_DEFAULT};
+use std::{env, time::Duration};
+use std_msgs::msg::String as StringMsg;
+fn main() -> Result<(), RclrsError> {
+    let context = Context::new(env::args())?;
+
+    let node = create_node(&context, "minimal_logger")?;
+
+    let publisher = node.create_publisher("topic", QOS_PROFILE_DEFAULT)?;
+
+    let mut message = StringMsg::default();
+
+    let mut publish_count: u32 = 1;
+
+    while context.ok() {
+        message.data = format!("Hello, world! {}", publish_count);
+        log!(node.info(), "Publishing: [{}]", message.data);
+        publisher.publish(&message)?;
+        publish_count += 1;
+        std::thread::sleep(std::time::Duration::from_millis(500));
+    }
+    Ok(())
+}