重构项目，现支持多线程操作

README.md

@@ -1,35 +1,12 @@
 # exPKG
 
 ## useage
-> ```c++
-> #include "EXPKG/EXPKG.h"
-> 
-> int main(int argc, char** argv) {
->   CommandArgs args{ argc, argv};
-> 
->   PKG::EXPKG decompress(args);
->   PKG::EXPKG decompress("path/to/file");
->   PKG::EXPKG decompress("path/to/file", "path/to/output/directory");
-> 
->   return 0;
-> }
+> ```bash
+> expkg /path/to/file.pkg|file.mpkg [output/path]
 >```
 
-## Cmake
->
-> use as subdirectory
-> 
-> ```cmake
-> add_subdirectory(path/to/expkg)
->
->add_executable(${TARGET} ${SRC_SOURCE})
->target_link_libraries(${TARGET} expkg-static)
-> 
-> # or use dll by
-> # target_link_libraries(${TARGET} expkg-shared)
->```
-> then
-> ```bash
+build
+```bash
 > cmake -B build
 > cmake --build build --config Release -j8
->```
+>```