Create workspaces for ffi and the renderer (#1275)

Author: catilac

renderer/.gitignore renamed to libProcessing/.gitignore

@@ -0,0 +1,8 @@
+[package]
+name = "libProcessing"
+version = "0.1.0"
+edition = "2024"
+
+[workspace]
+resolver = "3"
+members = ["ffi","renderer"]

renderer/Cargo.lock renamed to libProcessing/Cargo.lock

@@ -0,0 +1,6 @@
+[package]
+name = "ffi"
+version = "0.1.0"
+edition = "2024"
+
+[dependencies]

libProcessing/Cargo.toml

@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}

libProcessing/ffi/Cargo.toml

@@ -0,0 +1,14 @@
+pub fn add(left: u64, right: u64) -> u64 {
+    left + right
+}
+
+#[cfg(test)]
+mod tests {
+    use super::*;
+
+    #[test]
+    fn it_works() {
+        let result = add(2, 2);
+        assert_eq!(result, 4);
+    }
+}