refactor(chart): Added docstring in each file and function. Fixed long lines

chart/main.py

@@ -1,16 +1,22 @@
+"""
+This is the main application file for the chart service using FastAPI.
+
+The application serves static files, provides endpoints for generating charts,
+and integrates with Plausible Analytics for tracking usage.
+"""
+
 import os
 
 import uvicorn
-import yaml
-
 from fastapi import FastAPI
 from starlette.staticfiles import StaticFiles
 
 from chart.middleware.plausible_analytics import PlausibleAnalytics
 from chart.routes import get_chart, get_chart_period
+from chart.utils.load_config import load_config
 
 app = FastAPI()
-config = yaml.safe_load(open('config.yaml'))
+config = load_config('config.yaml')
 
 if not os.path.exists('../charts'):
     os.mkdir('../charts')
@@ -23,11 +29,16 @@ app.include_router(get_chart_period.router)
 
 
 if __name__ == '__main__':
-
     uvicorn.run(
         app,
         host=config['server']['host'],
         port=3030,
-        ssl_keyfile=config['server']['ssl']['private_key'] if config['server']['ssl']['work'] else None,
-        ssl_certfile=config['server']['ssl']['cert'] if config['server']['ssl']['work'] else None
+        ssl_keyfile=
+        config['server']['ssl']['private_key']
+        if config['server']['ssl']['work']
+        else None,
+        ssl_certfile=
+        config['server']['ssl']['cert']
+        if config['server']['ssl']['work']
+        else None
     )