llama : move end-user examples to tools directory (#13249)

* llama : move end-user examples to tools directory

---------

Co-authored-by: Xuan Son Nguyen <son@huggingface.co>

tools/CMakeLists.txt

@@ -0,0 +1,39 @@
+# dependencies
+
+find_package(Threads REQUIRED)
+
+# third-party
+
+# ...
+
+# flags
+
+llama_add_compile_flags()
+
+# tools
+
+if (EMSCRIPTEN)
+else()
+    add_subdirectory(batched-bench)
+    add_subdirectory(gguf-split)
+    add_subdirectory(imatrix)
+    add_subdirectory(llama-bench)
+    add_subdirectory(main)
+    add_subdirectory(perplexity)
+    add_subdirectory(quantize)
+    if (LLAMA_BUILD_SERVER)
+        add_subdirectory(server)
+    endif()
+    add_subdirectory(run)
+    add_subdirectory(tokenize)
+    add_subdirectory(tts)
+    if (NOT GGML_BACKEND_DL)
+        # these examples use the backends directly and cannot be built with dynamic loading
+        add_subdirectory(cvector-generator)
+        add_subdirectory(export-lora)
+        add_subdirectory(llava)
+        if (GGML_RPC)
+            add_subdirectory(rpc)
+        endif()
+    endif()
+endif()