Create initial mtDog library

[vishakh]

• [x] Read and understand the RISC Zero docs
• [x] Initialize a new RISC Zero project at mtDog/lib
• [x] Write code to load a 23andMe file and look for https://www.snpedia.com/index.php/Rs4988235 in it
• [x] Create a PR for the team's review

[vishakh]

Additional task:

Implement the following algorithm:

• Look for the ten SNPs on https://www.snpedia.com/index.php/Type-2_diabetes
• For each SNP, if the genotype corresponds to higher risk, add 1 to the risk score:
• Return the risk score at the end

[amardeepio]

https://github.com/Cryptonomic/MonadicDNA/pull/7

[vishakh]

Closed by #8.