docs: remove details directive

Author: cinit

README.md

@@ -33,8 +33,6 @@ It loads the `libmmkv.so` shared object and calls the `MMKV.initialize` method.
 
 See [TestNativeLoader.java](demo-app/src/main/java/com/example/test/app/TestNativeLoader.java) for the complete example.
 
-<details>
-
 ```java
 import com.tencent.mmkv.MMKV;
 
@@ -72,16 +70,12 @@ public static long initializeMMKV(@NonNull Context ctx) {
 }
 ```
 
-</details>
-
 ### Make System Calls
 
 Here is an example of how to make syscalls with the library. It calls the `uname` system call to get the system information.
 
 See [TestMainActivity.java](demo-app/src/main/java/com/example/test/app/TestMainActivity.java) for the complete example.
 
-<details>
-
 ```java
 import dev.tmpfs.libcoresyscall.core.IAllocatedMemory;
 import dev.tmpfs.libcoresyscall.core.MemoryAccess;
@@ -120,8 +114,6 @@ public String unameDemo() {
 }
 ```
 
-</details>
-
 ## The Tricks
 
 - The Android-specific `libcore.io.Memory` and the evil `sun.misc.Unsafe` are used to access the native memory.