add english brief

README.en.md

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+# C language logging library logging
+
+## brief
+
+Logging is a lightweight and easy-to-use C language log library that supports log level, log format, log output, log files, and other functions.
+
+## function
+- Support log levels: DEBUG, INFO, Warning, ERROR, FATAL
+- Support log formats: timestamp, log level, log content
+- Support log output: console, file
+- Support log files: automatic creation, automatic scrolling, log segmentation
+
+## install
+- Conan
+```shell
+conan create .
+```
+- cmake
+```shell
+```
+
+## usage
+
+### console log 
+```c
+#include "logging.h"
+
+int main() {
+    Logger *logger = newLogger("testLogger", LOG_DEBUG);
+
+    logger->info("This is an info message");
+    logger->error("This is an error message%s", "123");
+    logger->fatal("This is an fatal message");
+    logger->debug("This is a debug message");
+    logger->warning("This is a warning message%s", "123");
+
+    destroyLogger();
+    return 0;
+}
+```
+
+### file log
+```c
+#include "logging.h"
+#include "logging/logging-handler.h"
+
+int main() {
+    Logger *logger = newLogger("testLogger", LOG_DEBUG);
+    logger->addHandler(loggingFileHandler("test1", 1024*1024));
+
+    logger->info("This is an info message");
+    logger->error("This is an error message%s", "123");
+    logger->fatal("This is an fatal message");
+    logger->debug("This is a debug message");
+    logger->warning("This is a warning message%s", "123");
+
+    destroyLogger();
+    return 0;
+}
+```
+
+### Logging Interceptor 
+> Support adding custom interceptors, currently with built-in substring interceptors
+> The function of an interceptor is to redirect intercepted logs to the interceptor's dedicated processor
+
+
+#### example
+Redirects intercepted logs to a dedicated file processor
+```c
+#include "logging.h"
+#include <stdio.h>
+
+int main() {
+    Logger  *logger = newLogger("testLogger", LOG_DEBUG);
+
+    logger->info("This is an info message");
+    logger->error("This is an error message%s", "123");
+    logger->fatal("This is an fatal message");
+    logger->debug("This is a debug message");
+    logger->warning("This is a warning message%s", "123");
+
+    char *test1[]         = {"123", "tt"};
+
+    log_Interceptor *tint = loggingSubStringInterceptor(
+        test1,
+        2,
+        LOG_DEBUG,
+        loggingFileHandler("test_interceptor", 1024 * 1024));
+
+    logger->addInterceptor(tint);
+
+    printf("\n");
+    printf("Interceptor added\n");
+    printf("\n");
+
+    logger->info("This is an info message");
+    logger->error("This is an error message%s", "123");
+    logger->fatal("This is an fatal message");
+    logger->debug("This is a debug message");
+    logger->warning("This is a warning message%s", "123");
+
+    destroyLogger();
+    return 0;
+}
+```
+![](docs/img/2024-09-21-11-44-25.png)
+![](docs/img/2024-09-21-11-44-06.png)
+