whisper : reorganize source code + improve CMake (#2256)

* scripts : update sync [no ci]

* files : reorganize [no ci]

* sync : llama.cpp

* cmake : link math library

* cmake : build normal ggml library

* files : move headers to include

* objc : fix path to ggml-metal.h

* ci : fix WHISPER_CUDA -> GGML_CUDA

* scripts : sync LICENSE [no ci]

.gitignore

@@ -10,17 +10,7 @@
 /CMakeSettings.json
 
 build/
-build-blas/
-build-coreml/
-build-em/
-build-debug/
-build-release/
-build-rwdi/
-build-static/
-build-cublas/
-build-no-accel/
-build-sanitize-addr/
-build-sanitize-thread/
+build-*/
 
 # SPM
 .build/