feat(taxonomy): add rust sidecar compact surface pipeline

rust/vendor/crabrl/src/taxonomy.rs

@@ -0,0 +1,49 @@
+use crate::Result;
+use compact_str::CompactString;
+use std::collections::HashMap;
+
+pub struct Taxonomy {
+    pub schemas: Vec<Schema>,
+    pub linkbases: Vec<Linkbase>,
+}
+
+pub struct Schema {
+    pub target_namespace: CompactString,
+    pub elements: HashMap<CompactString, Element>,
+}
+
+pub struct Element {
+    pub name: CompactString,
+    pub element_type: CompactString,
+    pub substitution_group: Option<CompactString>,
+    pub period_type: Option<CompactString>,
+}
+
+pub struct Linkbase {
+    pub role: CompactString,
+    pub arcs: Vec<Arc>,
+}
+
+pub struct Arc {
+    pub from: CompactString,
+    pub to: CompactString,
+    pub order: f32,
+    pub weight: f32,
+}
+
+impl Taxonomy {
+    pub fn new() -> Self {
+        Self {
+            schemas: Vec::new(),
+            linkbases: Vec::new(),
+        }
+    }
+
+    pub fn load_schema(&mut self, _path: &str) -> Result<()> {
+        Ok(())
+    }
+
+    pub fn load_linkbase(&mut self, _path: &str) -> Result<()> {
+        Ok(())
+    }
+}