ORC-1255: Fix ORC website navbar highlight
ORC-1255: Fix ORC website navbar highlight

### What changes were proposed in this pull request?
This PR aims to fix the ORC website navbar highlight issue.

### Why are the changes needed?
**BEFORE**
<img width="717" alt="Screen Shot 2022-08-19 at 5 53 16 PM" src="https://user-images.githubusercontent.com/62487364/185723100-572ed69a-3400-4d53-a5b1-894fbeb68860.png">

**AFTER**
<img width="717" alt="Screen Shot 2022-08-19 at 5 53 23 PM" src="https://user-images.githubusercontent.com/62487364/185723102-a138eb61-2e21-4792-a419-e5ffff58e1ff.png">

### How was this patch tested?
Manually build and check.

Closes #1226 from williamhyun/highlight.

Authored-by: William Hyun <c824fe0afe16857dd6f587aa7c4044d2642d60fb@apache.org>
Signed-off-by: Dongjoon Hyun <6ff48b33cbb828151035af58a92f18a39f1d1036@apache.org>

apache/orc,apache/orc,apache/orc,apache/orc,apache/orc,apache/orc,apache/orc,apache/orc