refactor!: repo cleanup (#2650)

- Move cmake files to dedicated cmake folder
- Move scattered python files to `scripts/` folder
- Update CMakeLists.txt to reflect changes
* feat(scripts): add README to folder

cmake/cpr.cmake

@@ -0,0 +1,14 @@
+include(FetchContent)
+
+set(BUILD_TESTING_BEFORE ${BUILD_TESTING})
+set(CURL_DISABLE_TESTS OFF) 
+FetchContent_Declare(
+    cpr
+    GIT_REPOSITORY https://github.com/libcpr/cpr.git
+    GIT_TAG        1.10.5
+    GIT_PROGRESS TRUE
+) 
+message("cpr")
+FetchContent_MakeAvailable(cpr)
+
+set(BUILD_TESTING ${BUILD_TESTING_BEFORE} CACHE INTERNAL "" FORCE)