Typo

**Describe the bug**
In the Footer it is written "All Right Reserved".

**To Reproduce**
Steps to reproduce the behavior:
1. Go to 'https://akshitagupta15june.github.io/PetMe/index.html'
2. Scroll down to the end.
4. See error.

**Expected behavior**
Should show "All Rights Reserved" instead of "All RIght Reserved".

**Screenshots**

**Desktop (please complete the following information):**
- OS: [e.g. iOS]
- Browser [e.g. chrome, safari]
- Version [e.g. 22]

**Smartphone (please complete the following information):**
- Device: [e.g. iPhone6]
- OS: [e.g. iOS8.1]
- Browser [e.g. stock browser, safari]
- Version [e.g. 22]

**Additional context**
I would like to solve this issue.
Please assign this issue to me.