style: minor layout changes and add home link

.streamlit/config.toml

@@ -1,3 +1,6 @@
 [theme]
 base="light"
 primaryColor="#0098ff"
+
+[browser]
+gatherUsageStats = false

launch.sh

@@ -26,6 +26,9 @@ pip install --upgrade pip
 # Install dependencies
 pip install -r $DIR/requirements.txt
 
+# Clear terminal
+clear
+
 # Run program
 streamlit run $DIR/main.py
 

modules/layout.py

@@ -7,7 +7,10 @@ class Layout:
         Displays the header of the app
         """
         st.markdown(
-            "<h1 style='text-align: center;'>ChatBot-PDF, Talk with your documents ! 💬</h1>", unsafe_allow_html=True
+            """
+            <h1 style='text-align: center;'>ChatBot-PDF, Talk with your documents ! 💬</h1>
+            """,
+            unsafe_allow_html=True,
         )
 
     def show_api_key_error(self):
@@ -15,6 +18,10 @@ class Layout:
         Displays an error message if the user has not entered an API key
         """
         st.markdown(
-            "<div style='text-align: center;'><h4>Enter your OpenAI API key to start chatting 😉</h4></div>",
+            """
+            <div style='text-align: center;'>
+                <h4>Enter your <a href="https://platform.openai.com/account/api-keys" target="_blank">OpenAI API key</a> to start chatting 🤓</h4>
+            </div>
+            """,
             unsafe_allow_html=True,
         )