Update join.html with application instructions

Added a note about email inquiries and application requirements.

Author: yaoyichi

join.html

@@ -19,6 +19,8 @@
 <div class='full'>
   <div class='row'>
     <div class='large-12 columns'>
+      <p style="font-size: 1.2rem"> Important: We do not reply to AI-generated emails or generic inquiries that could be sent to any lab. Please write in your own words and explain your specific interest in our research. </p>
+
       <p style="font-size: 1.2rem"> We are always looking for talented and motivated students to work on exciting problems in spatial science, data science, and computer science. Before you send us an email, please talk to at least one PhD student in our lab. We are receiving many applications every semester, and we have limited positions. In your email, please include 1) your resume, 2) a short description of your research interests, 3) the PhD student whom you have talked to, and 4) the research projects that you'd like to participate.</p>
 
       <h3 style="font-size: 1.5rem">Graduate Students & Undergraduate Students</h3>