diff --git a/.direnv/flake-profile b/.direnv/flake-profile
new file mode 120000
index 0000000..0c05709
--- /dev/null
+++ b/.direnv/flake-profile
@@ -0,0 +1 @@
+flake-profile-1-link
\ No newline at end of file
diff --git a/.direnv/flake-profile-1-link b/.direnv/flake-profile-1-link
new file mode 120000
index 0000000..f5ab801
--- /dev/null
+++ b/.direnv/flake-profile-1-link
@@ -0,0 +1 @@
+/nix/store/idzm73g5zwf3f1f57hx9rp11kvhfl628-nix-shell-env
\ No newline at end of file
diff --git a/.idea/GitLink.xml b/.idea/GitLink.xml
new file mode 100644
index 0000000..5143819
--- /dev/null
+++ b/.idea/GitLink.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="uk.co.ben_gibson.git.link.SettingsState">
+    <option name="host" value="e0f86390-1091-4871-8aeb-f534fbc99cf0" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/inspectionProfiles/Project_Default.xml b/.idea/inspectionProfiles/Project_Default.xml
new file mode 100644
index 0000000..9213c29
--- /dev/null
+++ b/.idea/inspectionProfiles/Project_Default.xml
@@ -0,0 +1,13 @@
+<component name="InspectionProjectProfileManager">
+  <profile version="1.0">
+    <option name="myName" value="Project Default" />
+    <inspection_tool class="PyUnresolvedReferencesInspection" enabled="true" level="WARNING" enabled_by_default="true">
+      <option name="ignoredIdentifiers">
+        <list>
+          <option value="neopixel" />
+          <option value="board" />
+        </list>
+      </option>
+    </inspection_tool>
+  </profile>
+</component>
\ No newline at end of file
diff --git a/.idea/modules.xml b/.idea/modules.xml
new file mode 100644
index 0000000..b4a464c
--- /dev/null
+++ b/.idea/modules.xml
@@ -0,0 +1,8 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="ProjectModuleManager">
+    <modules>
+      <module fileurl="file://$PROJECT_DIR$/.idea/rsorter.iml" filepath="$PROJECT_DIR$/.idea/rsorter.iml" />
+    </modules>
+  </component>
+</project>
\ No newline at end of file
diff --git a/.idea/rsorter.iml b/.idea/rsorter.iml
new file mode 100644
index 0000000..bbe0a70
--- /dev/null
+++ b/.idea/rsorter.iml
@@ -0,0 +1,12 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<module type="EMPTY_MODULE" version="4">
+  <component name="NewModuleRootManager">
+    <content url="file://$MODULE_DIR$">
+      <sourceFolder url="file://$MODULE_DIR$/src" isTestSource="false" />
+      <sourceFolder url="file://$MODULE_DIR$/tests" isTestSource="true" />
+      <excludeFolder url="file://$MODULE_DIR$/target" />
+    </content>
+    <orderEntry type="inheritedJdk" />
+    <orderEntry type="sourceFolder" forTests="false" />
+  </component>
+</module>
\ No newline at end of file
diff --git a/.idea/vcs.xml b/.idea/vcs.xml
new file mode 100644
index 0000000..35eb1dd
--- /dev/null
+++ b/.idea/vcs.xml
@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="" vcs="Git" />
+  </component>
+</project>
\ No newline at end of file
diff --git a/Cargo.lock b/Cargo.lock
new file mode 100644
index 0000000..cd8c4fe
--- /dev/null
+++ b/Cargo.lock
@@ -0,0 +1,7 @@
+# This file is automatically @generated by Cargo.
+# It is not intended for manual editing.
+version = 4
+
+[[package]]
+name = "rsorter"
+version = "0.1.0"
diff --git a/Cargo.toml b/Cargo.toml
new file mode 100644
index 0000000..7daa2d1
--- /dev/null
+++ b/Cargo.toml
@@ -0,0 +1,6 @@
+[package]
+name = "rsorter"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]