fix: GitHub Actions permissions and README display issue

- Add explicit permissions to workflows for PR operations
  - contents: read
  - pull-requests: write
  - issues: write

- Rename .github/README.md to .github/WORKFLOWS.md
  This fixes GitHub showing wrong README on repository home page

Fixes:
- 'Resource not accessible by integration' error
- Wrong README displaying on main repo page

Author: bartoszclapinski

.github/README.md .github/WORKFLOWS.md.github/README.md renamed to .github/WORKFLOWS.md

@@ -1,4 +1,7 @@
-# GitHub Actions CI/CD
+# GitHub Actions & CI/CD Workflows
+
+> **📖 Documentation for CI/CD workflows and automation**  
+> For the main project README, see: [../README.md](../README.md)
 
 This folder contains automated workflows for continuous integration and deployment.
 

.github/workflows/dotnet-ci.yml

@@ -6,6 +6,11 @@ on:
   pull_request:
     branches: [ master, main ]
 
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
 env:
   DOTNET_VERSION: '9.0.x'
 

.github/workflows/pr-checks.yml

@@ -4,6 +4,11 @@ on:
   pull_request:
     types: [opened, synchronize, reopened]
 
+permissions:
+  contents: read
+  pull-requests: write
+  issues: write
+
 jobs:
   pr-title-check:
     name: PR Title Check