docs: Update README.md

[saimayasmeen4]

docs: small README improvements

Summary

This PR includes small improvements to the README file, such as grammar fixes, wording clarity, and minor formatting updates.

Type

• feat — new capability
• fix — bug fix
• refactor / perf — behavior-preserving change
• test — tests only
• [ x ] docs / chore — docs or tooling

Links

• Tracking:
• Related PRs / context:

Branch policy

• Base branch is dev (never prod except release mechanics agreed separately).
• Source branch is feat/<name> or fix/<name>.

Checklist

• Follows CONTRIBUTING.md (branch flow, quality gates, commit message format).
• Links to related issues or Project items where applicable.
• Tests added or updated for behavior changes.
• Docs updated when user-visible behavior or public API changes.
• ruff check src tests and ruff format --check src tests pass locally.
• mypy src/oris tests passes locally.
• pytest passes with coverage ≥ 84%.
• No secrets, tokens, or credentials in the diff.

How to verify

Risk / rollout

[DevStrikerTech]

LGTM