sync : vendor (#13901)

* sync : vendor

ggml-ci

* cont : fix httplib version

ggml-ci

* cont : fix lint

* cont : fix lint

* vendor : move to common folder /vendor

ggml-ci

* cont : fix lint

* cont : move httplib to /vendor + use json_fwd.hpp

ggml-ci

* cont : fix server build

ggml-ci

* cont : add missing headers

ggml-ci

* cont : header clean-up

ggml-ci

common/arg.cpp

@@ -1,10 +1,11 @@
-#include "gguf.h" // for reading GGUF splits
 #include "arg.h"
 
+#include "chat.h"
 #include "common.h"
+#include "gguf.h" // for reading GGUF splits
+#include "json-schema-to-grammar.h"
 #include "log.h"
 #include "sampling.h"
-#include "chat.h"
 
 // fix problem with std::min and std::max
 #if defined(_WIN32)
@@ -15,6 +16,9 @@
 #include <windows.h>
 #endif
 
+#define JSON_ASSERT GGML_ASSERT
+#include <nlohmann/json.hpp>
+
 #include <algorithm>
 #include <climits>
 #include <cstdarg>
@@ -34,8 +38,6 @@
 #include <future>
 #endif
 
-#include "json-schema-to-grammar.h"
-
 using json = nlohmann::ordered_json;
 
 std::initializer_list<enum llama_example> mmproj_examples = {