feat(taxonomy): add rust sidecar compact surface pipeline

rust/vendor/crabrl/src/instance.rs

@@ -0,0 +1,21 @@
+use crate::model::Document;
+use crate::Result;
+
+pub struct InstanceValidator {
+    strict: bool,
+}
+
+impl InstanceValidator {
+    pub fn new() -> Self {
+        Self { strict: false }
+    }
+
+    pub fn with_strict(mut self, strict: bool) -> Self {
+        self.strict = strict;
+        self
+    }
+
+    pub fn validate(&self, _document: &Document) -> Result<()> {
+        Ok(())
+    }
+}