refactor: replace month dropdown with week dropdown and update related components

feat: add feedback functionality and modal for category feedback
style: add feedback button styles in CSS
docs: add explanation tab for dashboard usage instructions

main.py

@@ -1,6 +1,6 @@
 # initial commit
 from dash import Dash
-from dash_bootstrap_components.themes import BOOTSTRAP
+import dash_bootstrap_components as dbc
 
 from src.components.layout import create_layout
 from src.data.loader_gz import load_spc_data
@@ -21,7 +21,7 @@ def main() -> None:
     # load the data and create the data manager
     data = load_spc_data(config["DATA_PATH"])
 
-    app = Dash(external_stylesheets=[BOOTSTRAP])
+    app = Dash(external_stylesheets=[dbc.themes.LUX])
     app.title = "Reliability Dashboard"
     app.layout = create_layout(app, data)
     app.run()