feat: add expressive offline Russian book TTS

tools/tts/run_booktts_prosody_dataset_windows.ps1

@@ -0,0 +1,16 @@
+param([string]$Root = 'C:\Users\seven\AletheiaBookTTS')
+
+$ErrorActionPreference = 'Stop'
+$env:PYTHONUTF8 = '1'
+$env:PYTHONIOENCODING = 'utf-8'
+$python = Join-Path $Root '.venv\Scripts\python.exe'
+$work = Join-Path $Root 'work'
+$output = Join-Path $work 'student-dataset-prosody-v1'
+& $python (Join-Path $work 'booktts_student.py') dataset `
+    --assets (Join-Path $Root 'teacher') `
+    --corpus (Join-Path $Root 'corpus\booktts-prosody-balanced-v1.txt') `
+    --output $output `
+    --teacher-batch-size 16 `
+    --teacher-dtype float16 `
+    --reuse-token-map (Join-Path $work 'student-dataset-100000')
+exit $LASTEXITCODE