-Demos:

*added ImGUI styles
 *added new assets (fonts, shaders)
 *added cimgui.dll
 *added imports for bindbc-sdl (for WASM)
 *added simple demo
 *added demo launcher
 *added snake demo
 *impoved demo utils
 *added cimgui.bc library for WASM
-improved wasm build script
-small change in vector

demos/external/sources/glad/gl/ext.d

@@ -0,0 +1,10 @@
+module glad.gl.ext;
+
+
+private import glad.gl.types;
+private import glad.gl.enums;
+private import glad.gl.funcs;
+nothrow @nogc extern(System) {
+}
+__gshared {
+}