Add host lib (#1134)

* Format

* Format

* Format

* Remove const

* Use the right template

* Format

* Format

* add row/col instances

* Add missing file

* fixed

* Format

* Updates

* Format

* fixed rrr layout

* Format

* Update test and embed modules

* Restore older version

* Update year

* Set -fPIC

* Format

* Use double for isnan

* rename host folder to codegen + minor fix

* add codegen CI test

* add option to build components without building CK

* fix the groovy syntax

* fix typo

* use the correct function for the codegen stage

---------

Co-authored-by: Jing Zhang <jizha@amd.com>
Co-authored-by: Illia Silin <98187287+illsilin@users.noreply.github.com>
Co-authored-by: illsilin <Illia.Silin@amd.com>

[ROCm/composable_kernel commit: 8eff4d62b6]

codegen/src/headers.cpp

@@ -0,0 +1,17 @@
+#include "ck/host/headers.hpp"
+#include "ck_headers.hpp"
+
+namespace ck {
+namespace host {
+
+const std::string config_header = "";
+
+std::unordered_map<std::string_view, std::string_view> GetHeaders()
+{
+    auto headers = ck_headers();
+    headers.insert(std::make_pair("ck/config.h", config_header));
+    return headers;
+}
+
+} // namespace host
+} // namespace ck