Refactor cmake-rn to use a platform abstraction (#189)

* Add isSupportedTriplet to host

* Export weak node api path

* Refactor into a platform abstraction

* Add unit tests to cmake-rn

* Add changeset

* Update Ferric to use weakNodeApiPath

* Add to message when lib names mismatch

* Add exception to fail determineLibraryBasename early

* Use array as type argument

* Skip post build step if no relevant targets exists

* Incorporated feedback from CoPilot

Author: kraenhansen

.changeset/shiny-hotels-wink.md

@@ -0,0 +1,6 @@
+---
+"cmake-rn": patch
+"react-native-node-api": patch
+---
+
+Refactor into a platform abstraction