Create Superlinter-readme.md

Signed-off-by: Kavy Khilrani <kavy.khilrani@gmail.com>

Author: KavyPings

.github/workflows/Superlinter-readme.md

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+# 🧹 Super-Linter (Reusable Workflow)
+
+This repository provides a **centralized reusable GitHub Actions workflow** to lint and format code across multiple languages using the powerful [Super-Linter](https://github.com/super-linter/super-linter) maintained by GitHub.
+
+---
+
+## 📌 What is Super-Linter?
+
+[Super-Linter](https://github.com/super-linter/super-linter) is a simple combination of multiple linters, written in different programming languages, all wrapped in a Docker container for convenience. It helps enforce consistent code quality across your entire codebase.
+
+It supports linting for:
+
+- 🐍 Python (Black)
+- 📄 YAML, Markdown, JSON
+- ⚙️ GitHub Actions workflows
+- 💻 Shell scripts (shfmt)
+- 📦 Dockerfiles (Hadolint)
+- 🌐 JavaScript (ESLint)
+
+---
+
+## 🛠️ What This Workflow Does
+
+This workflow:
+
+- Lints code across supported languages
+- Automatically commits and pushes auto-fixes for python (e.g., from `black`.)
+- Shows inline linting errors directly in GitHub Actions Menu.
+- Can be reused in multiple repositories to standardize linting across teams and projects.
+
+---
+
+## 📦 Languages Currently Enabled
+
+You can modify or extend these in the workflow:
+
+- Python: Black, Flake8
+- YAML: yamllint
+- Markdown: markdownlint
+- JSON: eslint, prettier
+- GitHub Actions: actionlint
+- Shell: shfmt
+- Dockerfile: Hadolint
+- JavaScript (ES): ESLint
+
+---
+
+## 📋 Example Output
+
+When run, it gives a report like:
+
+<img width="661" alt="image" src="https://github.com/user-attachments/assets/93732fd7-9351-4df1-9c8e-703fa5d6a79b" />
+
+---
+
+
+## 📁 Reference Structure
+
+To use this linter in another OHR repository, simply reference it in your repo's workflow:
+
+Create a file at:
+`openhorizonrobitcs/reponame/.github/workflows/lint.yml`
+
+```yaml
+name: Lint Code Base
+
+on:
+  push:
+    paths:
+      - '**/*'
+  pull_request:
+    paths:
+      - '**/*'
+  workflow_dispatch:
+
+jobs:
+  call-super-linter:
+    uses: openhorizonrobotics/.github/.github/workflows/Superlinter.yml@main