diff --git a/dlunch/core.py b/dlunch/core.py
index f7916f7..bed67b7 100644
--- a/dlunch/core.py
+++ b/dlunch/core.py
@@ -1,3 +1,11 @@
+"""Module that defines main functions used to manage Data-Lunch operations.
+
+!!! Note
+
+    Could be improved with classes.
+
+"""
+
 import cryptography.fernet
 import panel as pn
 import pandas as pd
@@ -1102,7 +1110,7 @@ def df_list_by_lunch_time(
 
         # The following function prepare the dataframe before saving it into
         # the dictionary that will be returned
-        def clean_up_table(
+        def _clean_up_table(
             config: DictConfig, df_in: pd.DataFrame, df_complete: pd.DataFrame
         ):
             df = df_in.copy()
@@ -1147,13 +1155,15 @@ def clean_up_table(
         # Clean and add resulting dataframes to dict
         # RESTAURANT LUNCH
         if not df_users_restaurant.empty:
-            df_users_restaurant = clean_up_table(
+            df_users_restaurant = _clean_up_table(
                 config, df_users_restaurant, df
             )
             df_dict[time] = df_users_restaurant
         # TAKEAWAY
         if not df_users_takeaways.empty:
-            df_users_takeaways = clean_up_table(config, df_users_takeaways, df)
+            df_users_takeaways = _clean_up_table(
+                config, df_users_takeaways, df
+            )
             df_dict[f"{time} {config.panel.gui.takeaway_id}"] = (
                 df_users_takeaways
             )
diff --git a/dlunch/models.py b/dlunch/models.py
index 9269220..ee3b497 100755
--- a/dlunch/models.py
+++ b/dlunch/models.py
@@ -964,13 +964,13 @@ def create_exclusive_session(config: DictConfig) -> Session:
 
     # Alter begin statement
     @event.listens_for(engine, "connect")
-    def do_connect(dbapi_connection, connection_record):
+    def _do_connect(dbapi_connection, connection_record):
         # disable pysqlite's emitting of the BEGIN statement entirely.
         # also stops it from emitting COMMIT before any DDL.
         dbapi_connection.isolation_level = None
 
     @event.listens_for(engine, "begin")
-    def do_begin(conn):
+    def _do_begin(conn):
         # Emit exclusive BEGIN
         conn.exec_driver_sql("BEGIN EXCLUSIVE")
 
@@ -1003,18 +1003,18 @@ def create_database(config: DictConfig, add_basic_auth_users=False) -> None:
             )
         ),
     )
-    def create_database_with_retries(config: DictConfig) -> None:
+    def _create_database_with_retries(config: DictConfig) -> None:
         engine = create_engine(config)
         Data.metadata.create_all(engine)
 
     # Create tables
     log.debug(f"attempt database creation: {config.db.attempt_creation}")
     if config.db.attempt_creation:
-        create_database_with_retries(config)
+        _create_database_with_retries(config)
 
         # Retries stats
         log.debug(
-            f"create database attempts: {create_database_with_retries.retry.statistics}"
+            f"create database attempts: {_create_database_with_retries.retry.statistics}"
         )
 
     # If requested add users for basic auth (admin and guest)
diff --git a/docs/index.md b/docs/index.md
index 955bf93..b1297d9 100644
--- a/docs/index.md
+++ b/docs/index.md
@@ -15,6 +15,8 @@ for a group of people (wether they are friends or teammates).
 
 It started as a small personal project and it quickly became an unrepleaceable companion for me and my colleagues.
 
+[Getting Started :material-fuel:](getting_started.md){ .md-button .md-button--primary }
+
 ## More info
 
 !!! warning "Work in Progress"
diff --git a/mkdocs.yml b/mkdocs.yml
index f514a67..32bea6a 100644
--- a/mkdocs.yml
+++ b/mkdocs.yml
@@ -22,11 +22,22 @@ theme:
   logo: assets/logo-dark.png
   favicon: assets/favicon.ico
   palette:
-    scheme: dlunch
+    # Light mode
+    - scheme: dlunch
+      toggle:
+        icon: material/lightbulb-outline
+        name: Switch to dark mode
+    # Dark mode
+    - scheme: slate
+      toggle:
+        icon: material/lightbulb
+        name: Switch to light mode
   features:
     - navigation.tabs
     - navigation.tabs.sticky
     - navigation.sections
+    - navigation.top
+    - toc.follow
 
 # Custom colors
 extra_css:
@@ -42,9 +53,9 @@ extra:
 
 # Plugins
 plugins:
-- gh-admonitions
 - search
 - autorefs
+- gh-admonitions
 - gen-files:
     scripts:
     - scripts/docs/generate_reference_pages.py
@@ -76,6 +87,8 @@ plugins:
 
 # Extensions
 markdown_extensions:
+  - toc:
+      permalink: true
   - admonition
   - pymdownx.details
   - pymdownx.superfences