Better build and project file platform layer

src/project_web.odin

@@ -0,0 +1,26 @@
+#+build wasm32, wasm64p32
+package main
+
+ProjectReadErrorType :: enum {
+	LoadingProjectNotSupportedOnWeb,
+}
+
+ProjectWriteErrorType :: enum {
+	SavingProjectNotSupportedOnWeb,
+}
+
+ProjectWriteError :: union {
+	ProjectWriteErrorType,
+}
+
+ProjectReadError :: union {
+	ProjectReadErrorType,
+}
+
+_project_write :: proc(project: ^ProjectData, path: string) -> ProjectWriteError {
+	return ProjectWriteErrorType.SavingProjectNotSupportedOnWeb;
+}
+
+_project_read :: proc(project: ^ProjectData, path: string) -> ProjectReadError {
+	return ProjectReadErrorType.LoadingProjectNotSupportedOnWeb;
+}