Fix documentation typos and add explicit permissions to workflows

[Copilot]

Clean up repository documentation and harden workflow security by adding explicit permission declarations.

Changes

Documentation (12 typos fixed across 10 files)

• Fixed spacing typos: from[Material → from [Material (icons.md, customize-theme.md)
• Fixed spelling errors: prefered → preferred (2 release changelogs), neccessary → necessary (kubernetes installation), wether → whether (v1.9.0 changelog)
• Fixed duplicate words: the the → the, to to → to, signed-in in to → signed-in to, that that's → that it's
• Fixed grammar issues: it's own → its own, you your → your

Workflow Permissions (21 files)
Added explicit permissions: declarations following least-privilege principle:

• CI/CD workflows: contents: read for verification, packages: write where needed for publishing
• PR/API workflows: Scoped pull-requests: write, actions: read/write as required
• Sync workflows: contents: write + pull-requests: write for automated commits
• Automation: Minimal permissions (issues: write, pull-requests: write) for bots

Example change:

name: CI
on:
  pull_request:
    paths-ignore:
      - 'microsite/**'

permissions:
  contents: read

jobs:
  # ...

Aligns with GitHub security best practices and OpenSSF Scorecard recommendations by eliminating implicit default permissions.

Original prompt

lets improve the small tweaks or typos in docs , workflows which will help me gain popularity in the commnuity for fixing this and lets not mkae new things jnust ckean up a lil bit which are not necessary and and secure the things porperly , and make the workflows secure and improve them which will create a good imapct of mine in community

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[Ayushmore1214]

@copilot lets clean and improve the docs of this whole repo first all .md files you look for mistakes

[Copilot]

@copilot lets clean and improve the docs of this whole repo first all .md files you look for mistakes

I'll perform a comprehensive cleanup of all markdown files in the repository. I found several typos and formatting issues to fix:

1. Typos found:

   • "neccessary" → "necessary" in kubernetes installation docs
   • "from[Material" → "from [Material" (spacing issue) in customize-theme.md

2. Previous fixes already applied:

   • "prefered" → "preferred" in release changelogs (2 files)
   • "from[Material" → "from [Material" in icons.md

Working on fixes now...