fix: correct typos and grammar in README

[Epaphras1]

Fix 17 typos and grammar issues in README.md

Proofreading pass - no content changes, just corrections:

• "should be ran" → "should be run" (2 occurrences)
• removed duplicate "with with"
• removed duplicate "of of"
• "interfactive" → "interactive"
• "effecient" → "efficient"
• "exlusively" → "exclusively"
• "udgrades" → "upgrades"
• "pecularities" → "peculiarities"
• "instruction" → "instructions"
• "are added the top level" → "are added to the top level"
• "a combination both" → "a combination of both"
• "is represent by" → "is represented by"
• "that typically ignored" → "that are typically ignored"
• "a NSO" → "an NSO"
• "it's" → "its" (2 occurrences — possessive, not contraction)
• "a developers" → "a developer's"
• "meta data" → "metadata"