feat(package): hemar: tree sitter grammar

package/hemar/grammar/tree-sitter/bindings/swift/TreeSitterHemarTests/TreeSitterHemarTests.swift

@@ -0,0 +1,12 @@
+import XCTest
+import SwiftTreeSitter
+import TreeSitterHemar
+
+final class TreeSitterHemarTests: XCTestCase {
+    func testCanLoadGrammar() throws {
+        let parser = Parser()
+        let language = Language(language: tree_sitter_hemar())
+        XCTAssertNoThrow(try parser.setLanguage(language),
+                         "Error loading Hemar grammar")
+    }
+}