feat: add userspace system logging, rename klog to syslog, rename relevant syscalls and API functions

kernel/src/Terminal/Terminal.cpp

@@ -250,7 +250,7 @@ namespace Kt {
         g_suppressKernelLog = false;
     }
 
-    int64_t ReadKernelLog(char* buf, uint64_t size) {
+    int64_t ReadKernelLogBuffer(char* buf, uint64_t size) {
         if (buf == nullptr || size == 0) return 0;
 
         uint64_t toRead = g_klogCount;