docs(readme): resolve minor issues in README.md

[PastaPastaPasta]

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Howdy,

I checked out this repo and found a few relatively trivial issues in README. As such, I've resolved them, the most "important" is probably the first commit, as the Table of Contents link to the "Papers and talks derived from this work" section previously didn't work. It appears GitHub / Markdown maybe doesn't like have parenthesis in a link. As such, I've changed the parens to a hyphen. Even the CLion auto generated TOC didn't work on GitHub for linking, so maybe this is fundamentally a GitHub issue instead of a markdown one, but either way I figured it'd make some sense to resolve it.