Fixing the memory, adding a shell, and other minor bugs to gdt and idt and the types, also adds .github files for bug reports and feature requests.

src/shell/shell.c

@@ -0,0 +1,32 @@
+#include "shell.h"
+#include <stdio.h>
+#include <string.h>
+
+void shell_loop()
+{
+    char input[256];
+
+    while (1)
+    {
+        printf("> ");
+        fgets(input, sizeof(input), stdin);
+
+        // Remove newline character from input
+        input[strcspn(input, "\n")] = '\0';
+
+        // Parse input and execute commands
+        // ...
+
+        // Exit the shell if the user enters "exit"
+        if (strcmp(input, "exit") == 0)
+        {
+            break;
+        }
+    }
+}
+
+int main()
+{
+    shell_loop();
+    return 0;
+}

src/shell/shell.h

@@ -0,0 +1,13 @@
+#ifndef SHELL_H
+#define SHELL_H
+
+// Function to read user input
+char *read_input();
+
+// Function to parse user input
+char **parse_input(char *input);
+
+// Function to execute a command
+int execute_command(char **args);
+
+#endif