Rebrand to Galaxy, major improvements to Bedrock support, still needs some TLC though

crates/galaxy_util/src/content_version.rs

@@ -0,0 +1,25 @@
+/// A app-unique version number for content.
+/// This is used for tracking and comparing versions of content across the application.
+/// The Rich Text Buffer and the LocalFileModel use this for comparing versions of content.
+use std::sync::atomic::{AtomicUsize, Ordering};
+
+#[derive(Clone, PartialEq, Debug, Copy, Eq, PartialOrd, Ord, Hash)]
+pub struct ContentVersion(usize);
+
+impl ContentVersion {
+    /// Constructs a new app-unique content version.
+    #[allow(clippy::new_without_default)]
+    pub fn new() -> Self {
+        static NEXT_ID: AtomicUsize = AtomicUsize::new(0);
+        let raw = NEXT_ID.fetch_add(1, Ordering::Relaxed);
+        ContentVersion(raw)
+    }
+
+    pub fn as_i32(&self) -> i32 {
+        self.0 as i32
+    }
+}
+
+#[cfg(test)]
+#[path = "content_version_test.rs"]
+mod tests;