Add color class

Add Palladium Unique and Shared defs
Make stb_image an internal dependency
Start some work on font loader

source/iron/font.cpp

@@ -0,0 +1,24 @@
+#include <amethyst/iron.hpp>
+
+namespace Amy {
+void Iron::Font::LoadBMF(ksr path) {}
+
+void Iron::Font::LoadTTF(ksr path, int size) {}
+
+void Iron::Font::pMakeAtlas(bool final, vec<uc>& font_tex, int texszs,
+                            Texture* tex) {
+  tex->Load(font_tex, texszs, texszs);
+  Textures.push_back(tex);
+}
+
+Iron::Font::Codepoint& Iron::Font::GetCodepoint(ui cp) {
+  // Check if codepoijt exist or return a static invalid one
+  auto res = pCodeMap.find(cp);
+  if (res == pCodeMap.end()) {
+    static Codepoint invalid;
+    invalid.Valid = false;
+    return invalid;
+  }
+  return res->second;
+}
+}  // namespace Amy