feat: migrate `math/base/ops/add` to `number/float64/base/add`#4999

gururaj1512 wants to merge 2 commits intostdlib-js:developstdlib-js/stdlib:developfrom

gururaj1512:migrate-math-base-ops-addgururaj1512/stdlib:migrate-math-base-ops-addCopy head branch name to clipboard