docs: Add workflow fix documentation

Author: pathumzcode

WORKFLOW_FIX.md

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+# GitHub Actions Workflow Fix 🔧
+
+## Problem Identified ❌
+
+The **Daily GitHub Streak** workflow was failing because:
+
+1. **Branch Mismatch**: The workflow was checking out the default branch (`main`) but trying to push to a hardcoded branch (`Updates`)
+2. **Command**: Line 38 had `git push origin Updates` which caused the failure
+3. **Root Cause**: GitHub Actions scheduled workflows run on the **default branch** (main), not on feature branches
+
+## Error Details
+
+```
+Daily GitHub Streak / daily-commit
+Failed in 3 seconds
+```
+
+The workflow would:
+- ✅ Checkout the `main` branch
+- ✅ Update `daily_activity.log`
+- ✅ Commit the changes
+- ❌ **FAIL** when trying to push to `Updates` branch (because it was on `main`)
+
+## Solution Applied ✅
+
+**Changed line 38** in `.github/workflows/daily-commit.yml`:
+
+```diff
+- git push origin Updates
++ git push
+```
+
+This change:
+- Pushes to the **current branch** (whatever branch the workflow is running on)
+- Works with the default branch (`main`) where scheduled workflows run
+- Eliminates the branch mismatch error
+
+## How to Test 🧪
+
+### Option 1: Manual Trigger (Recommended)
+
+1. Go to your GitHub repository: `https://github.com/pathumzcode/Day-To-Day-Update`
+2. Click on the **Actions** tab
+3. Select **Daily GitHub Streak** workflow from the left sidebar
+4. Click **Run workflow** button (top right)
+5. Select branch: `main`
+6. Click the green **Run workflow** button
+7. Wait ~10-30 seconds and refresh the page
+8. You should see a ✅ green checkmark indicating success
+
+### Option 2: Wait for Scheduled Run
+
+The workflow will automatically run:
+- **Every day at 00:00 UTC** (5:30 AM IST / Sri Lanka time)
+- Check the Actions tab the next day to verify it ran successfully
+
+## Expected Behavior ✨
+
+When the workflow runs successfully:
+
+1. **Checkout**: Clones the repository (main branch)
+2. **Configure Git**: Sets up git user credentials
+3. **Update Log**: Adds a new timestamp entry to `daily_activity.log`
+4. **Commit**: Creates a commit with message like "Daily update: 2026-01-10"
+5. **Push**: Pushes the commit to the `main` branch
+6. **Result**: Your GitHub contribution graph gets a green square! 🟢
+
+## Verification Steps ✓
+
+After the workflow runs, verify:
+
+1. **Actions Tab**: Shows ✅ green checkmark
+2. **Commits**: New commit appears in the repository
+3. **Activity Log**: `daily_activity.log` has a new entry
+4. **Contribution Graph**: Your profile shows a contribution for that day
+
+## Additional Notes 📝
+
+- The workflow file **must be on the `main` branch** for scheduled runs to work
+- Manual triggers can run from any branch
+- The `GITHUB_TOKEN` is automatically provided by GitHub Actions
+- No additional secrets or configuration needed
+
+## Troubleshooting 🔍
+
+If the workflow still fails:
+
+1. **Check Permissions**: Ensure Actions have write permissions
+   - Go to: Settings → Actions → General → Workflow permissions
+   - Select: "Read and write permissions"
+
+2. **Check Actions Enabled**: 
+   - Go to: Settings → Actions → General
+   - Ensure "Allow all actions and reusable workflows" is selected
+
+3. **Check Branch Protection**:
+   - Go to: Settings → Branches
+   - If `main` has protection rules, ensure "Allow force pushes" is disabled but "Require status checks" allows the workflow
+
+---
+
+**Status**: ✅ Fixed and pushed to `main` branch  
+**Date**: 2026-01-10  
+**Next Scheduled Run**: Tomorrow at 00:00 UTC (5:30 AM IST)