✨ feat(lib): 添加哈希表实现及相关测试功能

🐛 fix(main): 修改OLED显示位置和配置
📝 docs(demo/list/test.c): 更新测试文件，添加哈希表测试用例

demo/oled/test.c

@@ -117,7 +117,7 @@ int Test_OLED(void* pVoid) {
     OLED_Init(&oled);
     OLED_CLS(&oled);
 
-    OLED_ShowCHString(&oled, 1, 24, "星海科技机械师");
+    OLED_ShowCHString(&oled, 1, 1, "星海科技机械师");
 
     OLED_DrawRect(&oled, 0, 0, 127, 63);