Create ErrorDuringRelease.md

docs/ErrorDuringRelease.md

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+# Deal with errors during release build
+
+## `EBUSY: resource busy or locked` during make
+
+```log
+Error: EBUSY: resource busy or locked, unlink 'i:\Temp\...\tidgi.0.13.0-prerelease18.nupkg'
+```
+
+esbuild process doesn't exit properly after packaging, holding file handles to temp files.
+
+Solution: kill background **esbuild** process
+
+```powershell
+Get-Process | Where-Object { $_.ProcessName -match "esbuild|electron" } | Stop-Process -Force
+Remove-Item "$env:TEMP\si-*" -Recurse -Force -ErrorAction SilentlyContinue
+Start-Sleep -Seconds 2
+```