Added Keywords for bruno cli - package json

[ganesh-bruno]

Description

This pull request updates the keywords field in the package.json of the bru-cli project. The added keywords reflect the core features and functionalities of the CLI tool, ensuring better discoverability and categorization on npm and other package managers.

Changes Made:

• Updated the keywords section in package.json to include more relevant terms like API, automation, http-client, etc.
• Ensured that the new keywords align with the project's focus on API testing, automation, and CLI functionalities.

Contribution Checklist:

• The pull request only addresses the addition of keywords.
• The pull request does not introduce any breaking changes.
• I have added the keywords in the package.json file under the correct section.
• I have read the contribution guidelines.
• I have created an issue and linked it to the pull request.

Note: Keeping the PR small and focused helps make it easier to review and merge. If you have multiple changes you want to make, please consider submitting them as separate pull requests.

Keywords Added:

"keywords": [
  "API",
  "testing",
  "automation",
  "cli",
  "command-line",
  "bruno",
  "HTTP requests",
  "rest-api",
  "api-client",
  "api-automation",
  "request-handling",
  "mock-api",
  "http-client",
  "async",
  "promise",
  "javascript",
  "nodejs",
  "automation-tool",
  "postman-alternative",
  "api-scripting"
]