Updated and refactored code

- Added `doxygen` API documentation with theme
- Added error-compatible logging function
- Added more error codes
- Added `non_copyable` function
- Added test function from exporting package list
- Changed how errors are handled with returns
- Change `gdpm remote` API to reflect `git`
- Change most functions to accept a vector of arguments instead of a single parameter
- Updated `.gitignore` and `README.md` files
- Fixed issue with `gdpm export` command crashing

src/utils.cpp

@@ -18,8 +18,8 @@
 #include <zip.h>
 
 namespace gdpm::utils{
-	
 
+	
 	#if (GDPM_READFILE_IMPL == 0)
 		std::string readfile(const std::string& path){
 			constexpr auto read_size = std::size_t{4096};
@@ -179,4 +179,4 @@ namespace gdpm::utils{
 		sleep_for(millis);
 		// sleep_until(system_clock::now() + millis);
 	}
-} // namespace towk::utils
+} // namespace gdpm::utils