Add analytics

[SwapnilKumbhar]

Matomo vs Plausible

Matomo:
+ Very detailed
+ Lots of features
+- Chunky, but I honestly don't care about 22kb
+ Nextjs integration available
- Too many features for me 
- Not sure if most analytics are useful with the low amount of data this site will generate
- No dark mode
- Weird name

Plausible:
+ Very simple and clear analytics
+ Script is <1KB, but idc about that too much tbh. Good to know tho.
+ Most analytics that I will use are present
+ Nextjs integration available
+++ Dark mode
- Could prove to be too simple further in life

Both are open-sourced.