docs: add additional sections

[psankhe28]

Description

Add missing sections to README.md, namely: "Usage", "Installation" and "Deployment"

Fixes #33

Type of change

• [x] Documentation update

Checklist:

• [ ] My code follows the style guidelines of this project
• [x] I have performed a self-review of my own code
• [x] I have commented my code, particularly in hard-to-understand areas
• [x] My changes generate no new warnings
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes
• [x] I have not reduced the existing code coverage
• [x] I have added docstrings following the Python style guidelines of this project to all new modules, classes, methods and functions are documented with docstrings following; I have updated any previously existing docstrings, if applicable
• [x] I have updated any sections of the app's documentation that are affected by the proposed changes, if applicable

[uniqueg]

@psankhe28: Please follow the (updated) commit message guidelines for your PR titles in the future.

FYI, your PR title did not follow the following rules:

• Keep your entire header/title line (including type and, if available, scope) at 50 characters or less
• Only use types feat, fix, perf, refactor and style for changes in package/production code; use the dedicated types for all build-, CI-, documentation- or test-related changes
• Start the <description> with a verb in imperative form (e.g., add, fix)

[uniqueg]

Also, if you think that your PR fixes #33, please indicate so in your PR description, e.g., Fixes #33. If it does not address any issue, please remove the Fixes # (issue) placeholder from your PR description, but not that usually, every PR should have one or more issues it addresses/fixes (so write one before raising a pull request). In this case, it's fine though.

You could also say that this PR Partly addresses #33.

[psankhe28]

I have made the changes, please have a look and let me know. Thanks!