Add explanation for card search, plus footer with legal text and links

Middle_School_Card_Search.py

@@ -1,6 +1,7 @@
 import streamlit as st
 import pandas as pd
 import urllib.parse
+import streamlit_common.footer
 
 
 def compose_scryfall_url(x):
@@ -22,6 +23,8 @@ st.set_page_config(
 st.write(
     """
     # Middle School Card Search
+
+    Enter any English or Japanese text to find all Middle School legal card titles which include it.
     """
 )
 
@@ -43,3 +46,5 @@ if name_input:
         st.write(f"Top {number_shown_results} results:")
     results_df["link"] = results_df["name"].apply(compose_scryfall_url)
     results_df[:number_shown_results].transpose().apply(row_to_link)
+
+streamlit_common.footer.write_footer()

pages/1_Check_Card_List.py

@@ -1,6 +1,7 @@
 import streamlit as st
 import pandas as pd
 import re
+import streamlit_common.footer
 
 
 def remove_number_of_copies(line: str) -> str:
@@ -54,3 +55,5 @@ input_cards["legal"] = input_cards["cardname"].apply(is_legal)
 
 col2.write("##### Middle School legality")
 col2.dataframe(input_cards[["legal", "cardname"]], use_container_width=True)
+
+streamlit_common.footer.write_footer()

streamlit_common/footer.py

@@ -0,0 +1,31 @@
+import streamlit as st
+
+fa_import = """
+<link rel="stylesheet" href="https://cdnjs.cloudflare.com/ajax/libs/font-awesome/6.4.2/css/all.min.css">
+"""
+x_icon = '<i class="fa-brands fa-x-twitter" style="color: #ffffff;"></i>'
+x_url = "https://x.com/KarawapoM"
+gh_icon = '<i class="fa-brands fa-github" style="color: #ffffff;"></i>'
+gh_url = "https://github.com/alecrem/middleschool-tutor/"
+
+
+def write_header():
+    st.write(fa_import, unsafe_allow_html=True)
+
+
+def write_footer():
+    st.write(
+        """
+    ---
+
+    Portions of Middle School Tutor are unofficial Fan Content permitted under the Wizards of the Coast Fan Content Policy. The literal and graphical information presented on this site about Magic: The Gathering, including card images, mana symbols, and Oracle text, is copyright Wizards of the Coast, LLC, a subsidiary of Hasbro, Inc.
+
+    Middle School Tutor is not produced by or endorsed by Wizards of the Coast. The GitHub and Twitter logos are copyright their respective owners. Middle School Tutor is not produced by or endorsed by these services.
+    """
+    )
+    write_header()
+    st.write(
+        f"### [{x_icon}]({x_url})&nbsp;&nbsp;[{gh_icon}]({gh_url})",
+        unsafe_allow_html=True,
+    )
+    st.write("##### All other content MIT licensed since 2022 by alecrem.")