Fix broken links (risc0#1492)

pdg744 Sorry, I just realised there that **/**general**** was missing
in the URL of my previous PR

---------

Co-authored-by: Erik Kaneda <[email protected]>

Author: omahs

website/docs/reference-docs/about-fri.md

@@ -43,5 +43,5 @@ The RISC Zero ZKP system uses the original FRI protocol.
 - [FRI Sequence Diagram](https://twitter.com/EllipticHector/status/1641842245337743367)
 - [A summary on the FRI low degree test (Ulrich Haböck, Orbis Labs, 2022)](https://eprint.iacr.org/2022/1216.pdf)
 - [Low Degree Testing](https://medium.com/starkware/low-degree-testing-f7614f5172db), part 3 of the STARK Math series
-- [Vitalik's FRI article](https://vitalik.eth.limo/2017/11/22/starks_part_2.html)
+- [Vitalik's FRI article](https://vitalik.eth.limo/general/2017/11/22/starks_part_2.html)
 - [Anatomy of a STARK, Part 3: FRI](https://aszepieniec.github.io/stark-anatomy/fri)

website/docs/reference-docs/about-ntts-and-fourier.md

@@ -41,4 +41,4 @@ The polynomial associated with the array $(u_0,u_1,\ldots,u_{n-1})$ is the uniqu
   - [3blue1brown video](https://www.youtube.com/watch?v=spUNpyF58BY) and [lecture](https://www.youtube.com/watch?v=g8RkArhtCc4) on FFTs
   - [Veritasium](https://www.youtube.com/watch?v=nmgFG7PUHfo) on FFTs
 
-For a deeper look into the algorithm at both a software and hardware level, we recommend this [FFT video from Reducible](https://www.youtube.com/watch?v=h7apO7q16V0). And here's [Vitalik's take](https://vitalik.eth.limo/2019/05/12/fft.html) on FFTs/NTTs.
+For a deeper look into the algorithm at both a software and hardware level, we recommend this [FFT video from Reducible](https://www.youtube.com/watch?v=h7apO7q16V0). And here's [Vitalik's take](https://vitalik.eth.limo/general/2019/05/12/fft.html) on FFTs/NTTs.

website/docs/reference-docs/about-starks.md

@@ -29,7 +29,7 @@ We recommend the following external references on STARKs:
 - [Anatomy of a Stark](https://aszepieniec.github.io/stark-anatomy/) (developer focused)
 - [The Starkmath series](https://medium.com/tag/stark-math)
 - [STARK 101](https://starkware.co/stark-101/) (developer focused)
-- [Vitalik's STARK series](https://vitalik.eth.limo/2017/11/09/starks_part_1.html)
+- [Vitalik's STARK series](https://vitalik.eth.limo/general/2017/11/09/starks_part_1.html)
 
 ### Most Technical