Istio support (#30)

* adding istio files

* fix the envoy CMakList file

* fix the envoy CMakList file

* adding the .mod file

* adding the webhook injector image

* adding istio files

* adding istio files

* fix the envoy CMakList file

* fix the envoy CMakList file

* adding the .mod file

* adding the webhook injector image

* adding istio files

* pulling from dev

* fix the envoy CMakList file

* adding istio files

* fix missing header

* fix wrong name of library

* fix envoy CMakeLists

* remove cloud guard names

* remove cloud guard names

* adding istio files

* adding istio files

* [JIRA] INXT-44274: test agent image

* add Daniel fixes

* remove zlib library

* remove nano attachment ut

attachments/nano_attachment/nano_attachment_thread.h

@@ -0,0 +1,46 @@
+#ifndef __NANO_ATTACHMENT_THREAD_H__
+#define __NANO_ATTACHMENT_THREAD_H__
+
+#include <stdbool.h>
+
+#include "nano_initializer.h"
+
+typedef void *(*CpThreadRoutine)(void *); ///< Func
+
+typedef enum TransactionType
+{
+    START,
+    REQUEST,
+    RESPONSE,
+    METRICS,
+    REGISTRATION
+} TransactionType;
+
+///
+/// @brief Runs a function in a thread with a timeout.
+///
+/// This function runs the specified thread function in a dedicated thread with a timeout.
+/// If the function does not complete within the specified timeout, it is cancelled.
+///
+/// @param[in] attachment The NanoAttachment object.
+/// @param[in] data The AttachmentData object.
+/// @param[in] thread_func The function to run in the thread.
+/// @param[in] arg The argument to pass to the thread function.
+/// @param[in] timeout_msecs The timeout value in milliseconds.
+/// @param[in] func_name The name of the function for debugging purposes.
+/// @param[in] transaction_type The type of transaction (request or response), used for timeout.
+///
+/// @return Returns 1 if the function completes within the timeout, 0 otherwise.
+///
+int
+NanoRunInThreadTimeout(
+    NanoAttachment *attachment,
+    AttachmentData *data,
+    CpThreadRoutine thread_func,
+    void *arg,
+    int timeout_msecs,
+    char *func_name,
+    TransactionType transaction_type
+);
+
+#endif // __NANO_ATTACHMENT_THREAD_H__