feat(db): added a db backup system

scripts/dbBackup.ps1

@@ -0,0 +1,71 @@
+# ==========================
+# PostgresDump.ps1
+# ==========================
+
+# Get script folder and .env path
+$scriptDir = Split-Path -Parent $MyInvocation.MyCommand.Path
+$envFile = Join-Path $scriptDir "..\.env"
+
+if (!(Test-Path $envFile)) {
+    Write-Error "Missing .env file at $envFile"
+    exit 1
+}
+
+# Parse .env into a hashtable
+$envVars = @{}
+Get-Content $envFile | ForEach-Object {
+    # skip comments & empty lines
+    if ($_ -match '^\s*#') { return }
+    if ([string]::IsNullOrWhiteSpace($_)) { return }
+
+    $parts = $_ -split '=', 2
+    if ($parts.Count -eq 2) {
+        $key = $parts[0].Trim()
+        $val = $parts[1].Trim()
+        $envVars[$key] = $val
+    }
+}
+
+# Grab vars from hashtable
+$PgHost = $envVars["DATABASE_HOST"]
+$PgPort = $envVars["DATABASE_PORT"]
+$PgUser = $envVars["DATABASE_USER"]
+$PgPass = $envVars["DATABASE_PASSWORD"]
+$PgDatabase = $envVars["DATABASE_DB"]
+
+# Where to put dumps
+$dumpFolder = Join-Path $scriptDir "..\db_backups"
+if (!(Test-Path -Path $dumpFolder)) {
+    Write-Host "Creating backup folder: $dumpFolder"
+    New-Item -ItemType Directory -Path $dumpFolder -Force | Out-Null
+}
+
+# Timestamp filename
+$timestamp = Get-Date -Format "yyyyMMdd_HHmm"
+$dumpFile = Join-Path $dumpFolder "$($PgDatabase)_$timestamp.sql"
+
+# Location of pg_dump.exe (adjust if different version/path)
+$pgDumpExe = "D:\Program Files\PostgreSQL\17\bin\pg_dump.exe"
+
+# Set env var password so pg_dump can pick it up
+$env:PGPASSWORD = $PgPass
+
+Write-Host "Starting dump of $PgDatabase@$PgHost..."
+
+& $pgDumpExe `
+    -h $PgHost `
+    -p $PgPort `
+    -U $PgUser `
+    -d $PgDatabase `
+    -F p `
+    -f $dumpFile
+
+if ($LASTEXITCODE -eq 0) {
+    Write-Host "✅ Dump complete: $dumpFile"
+}
+else {
+    Write-Error "❌ Dump failed (exit code $LASTEXITCODE)"
+}
+
+# clear password to be safe
+Remove-Item Env:PGPASSWORD