fix(GenerationContext.py): fix typo in variable name powerfulllmengine to powerfulllmengine for better readability

feat(GenerationContext.py): add setup_dir method to create a directory for output files with a timestamp
feat(GenerationContext.py): call setup_dir method before generating script and synthesizing audio to ensure output directory exists
feat(prompts/fix_captions.yaml): add a new prompt file to provide instructions for fixing captions
fix(BaseTTSEngine.py): add force_duration method to adjust audio clip duration if it exceeds a specified duration
feat(CoquiTTSEngine.py): add options for forcing duration and specifying duration in the UI
feat(utils/prompting.py): add get_prompt function to load prompt files from a specified location
fix(gradio_ui.py): set equal_height=True for engine_rows to ensure consistent height for engine options

src/utils/prompting.py

@@ -0,0 +1,14 @@
+import yaml
+import os
+from typing import TypedDict
+
+class Prompt(TypedDict):
+    system: str
+    chat: str
+
+def get_prompt(name, *, location = "src/chore/prompts") -> Prompt:
+    path = os.path.join(os.getcwd(), location, f"{name}.yaml")
+    if not os.path.exists(path):
+        raise FileNotFoundError(f"Prompt file {path} does not exist.")
+    with open(path, "r") as file:
+        return yaml.safe_load(file)