MathFont and MathTable added, both do not rely on existing SwifthMath code.

Tests/SwiftMathTests/MathFontTests.swift

@@ -0,0 +1,26 @@
+import XCTest
+@testable import SwiftMath
+
+//
+//  MathFontTests.swift
+//  
+//
+//  Created by Peter Tang on 12/9/2023.
+//
+
+final class MathFontTests: XCTestCase {
+    func testMathFontScript() throws {
+        // for family in UIFont.familyNames.sorted() {
+        //     let names = UIFont.fontNames(forFamilyName: family)
+        //     print("Family: \(family) Font names: \(names)")
+        // }
+        let size = Int.random(in: 20 ... 40)
+        MathFont.allCases.forEach {
+            // print("\(#function) cgfont \($0.cgFont())")
+            // print("\(#function) ctfont \($0.ctFont(withSize: CGFloat(size)))")
+            XCTAssertNotNil($0.cgFont())
+            XCTAssertNotNil($0.ctFont(withSize: CGFloat(size)))
+            XCTAssertEqual($0.ctFont(withSize: CGFloat(size))?.fontSize, CGFloat(size), "ctFont fontSize test")
+        }
+    }
+}