Rename master branch references to main

[lakxy]

What this PR does / why we need it:

Updates all references from master to main branch throughout the repository to adopt more inclusive terminology. This includes 400+ files across documentation, CI/CD workflows, configuration files, and all versioned docs (v3.0.0 - v3.22.0).

Which issue this PR fixes: fixes #284

Special notes for your reviewer:

• All master branch references updated to main (except kubectl error logs which are literal error messages)
• After merge, maintainers need to rename the default branch in repository settings and optionally delete the old master branch

Checklist:

• Fixes Rename master to `main' #284
• Signed the commit for DCO to be passed
• Labelled this PR & related issue with documentation tag

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[lakxy]

Hi @PriteshKiri
Sir, I have implemented the issue #284 in this PR, for this I used these commands

# 3. Search for all references to 'master' branch in the codebase
grep -r "master" --exclude-dir=.git --exclude-dir=node_modules .

# 4. Update references to master in documentation and config files
# For markdown files
find . -type f -name "*.md" \
  -not -path "*/node_modules/*" -not -path "*/.git/*" \
  -exec sed -i 's/\/master\//\/main\//g' {} +

find . -type f -name "*.md" \
  -not -path "*/node_modules/*" -not -path "*/.git/*" \
  -exec sed -i 's/branch=master/branch=main/g' {} +

# For YAML/YML files (CI/CD configs)
find . -type f \( -name "*.yml" -o -name "*.yaml" \) \
  -not -path "*/node_modules/*" -not -path "*/.git/*" \
  -exec sed -i 's/master/main/g' {} +

# For JSON files
find . -type f -name "*.json" \
  -not -path "*/node_modules/*" -not -path "*/.git/*" \
  -exec sed -i 's/master/main/g' {} +

# For JavaScript/TypeScript config files
find . -type f \( -name "*.js" -o -name "*.ts" \) \
  -not -path "*/node_modules/*" -not -path "*/.git/*" \
  -exec sed -i 's/\/master\//\/main\//g' {} +
#1. Update docusaurus.config.js - label for unreleased version
sed -i "s/label: 'master\/unreleased'/label: 'main\/unreleased'/g" ./website/docusaurus.config.js

# 2. Update CONTRIBUTING.md - base branch reference
sed -i 's/from where you want to base your work (usually master)/from where you want to base your work (usually main)/g' ./CONTRIBUTING.md

# 3. Update CONTRIBUTING.md - rebase reference
sed -i 's/Rebase to the current master branch/Rebase to the current main branch/g' ./CONTRIBUTING.md

# 4. Verify all 'master' references are resolved (should only show kubectl error logs now)
echo "Final verification..."
grep -r "master" --exclude-dir=.git --exclude-dir=node_modules . | grep -v "mainLogs" | grep -v "Neither --kubeconfig nor --master"

[lakxy]

I hope the commands shared helps you in reviewing,

If there are any mis-aligned implementations, Tell me & I will fix it.

[lakxy]

Hello @PriteshKiri
Sir, please review this PR.

[PriteshKiri]

Hey @codeEvolveZenith345

Could you please take a pull from that latest branch?

[lakxy]

Hi @PriteshKiri
I've pulled the latest changes from the upstream master branch. The merge commit is now visible in the PR. All checks are passing.
Please let me know if there's anything else needed for review.