feat: add styles

src/ast.rs

@@ -18,6 +18,10 @@ pub enum Value {
     Rhei(String),
     Null,           
     Array(Vec<Value>),
+    // glts
+    Call(String, Vec<Value>), // rgba(30, 30, 46, 0.88)
+    Unit(f64, String),        // 8px, 120ms
+    Ident(String),
 }
 
 #[derive(Debug, Clone)]
@@ -57,6 +61,14 @@ pub enum Directive {
         child_span: (u32, u32),
     },
     RheiBlock(String),
+    StyleRule {
+        selector: String,
+        prop_span: (u32, u32),
+    },
+    StyleAnim {
+        name: String,
+        frames: Vec<(String, (u32, u32))>,
+    },
 }
 
 #[derive(Debug, Default)]