this commit adds source and citation information in the about page

content/About/about_1.md

@@ -1,6 +1,7 @@
 # **Welcome at the GIS Training Resource Center!**
 
-Whether being a beginner or already having some experiences, working with QGIS can be difficult. Our goal is to provide a comprehensive platform containing the essential skills and resources for the use in humanitarian aid without having to google for hours. 🔎
+Whether being a beginner or already having some experiences, working with QGIS can be difficult.  
+Our goal is to provide a comprehensive platform containing the essential skills and resources for the use in humanitarian aid without having to google for hours. 🔎
 In addition to the modules, we offer exercises and a wiki to enable individuals to work through the material and learn independently.  
 This QGIS training is made by people who believe GIS can help humanitarians to serve people in need better. ❤️
 
@@ -34,7 +35,7 @@ A group of dedicated student assistants and employees of the Heidelberg Institut
 
 <div class="container">
   <div class="organization">
-    <p>**The International Federation of Red Cross and Red Crescent Societies:**<br>
+    <p>The International Federation of Red Cross and Red Crescent Societies:<br>
       The International Federation of Red Cross and Red Crescent Societies (IFRC) is the world’s largest humanitarian network, comprising 191 National Red Cross and Red Crescent Societies working to save lives, build community resilience, strengthen localization and promote dignity around the world. The organization focuses on disaster response, preparedness, health, and community development, with a commitment to the principles of humanity, impartiality, neutrality, independence, voluntary service, unity, and universality.
 
 [Learn more →](https://www.ifrc.org)
@@ -51,7 +52,7 @@ A group of dedicated student assistants and employees of the Heidelberg Institut
 <div class="container">
   <div class="organization">
     <p>
-**German Red Cross:**
+German Red Cross:
 <br>
       The German Red Cross (Deutsches Rotes Kreuz) saves people, helps in emergencies, offers people a community, assists the poor and people in need; holds and monitors the international humanitarian law - in Germany and all over the world. The GRC is a official part of the International Red Cross and Red Crescent Movement and supported by voluntary commitment. It acts selflessly, in accordance with its statutes, is non-profit and officially recognized as the national Red Cross Society of the Federal Republic of Germany. 
       
@@ -66,7 +67,7 @@ A group of dedicated student assistants and employees of the Heidelberg Institut
 
 <div class="container">
   <div class="organization">
-    <p>**British Red Cross:**<br>
+    <p>British Red Cross:<br>
       The British Red Cross is a well-established humanitarian organization that has been actively involved in responding to emergencies and supporting individuals and communities in crisis. The BRC is a volunteer-led movement that connects those who have kindness to share, with the people who need it most in the UK and anywhere in the world. As official part of the International Red Cross and Red Crescent Movement they offer a wide range of aid,  including first aid training, health and social care, and emergency response. 
 
 [Learn more →](https://www.redcross.org.uk)
@@ -80,7 +81,7 @@ A group of dedicated student assistants and employees of the Heidelberg Institut
 
 <div class="container">
   <div class="organization">
-    <p>**Netherlands Red Cross:**<br>
+    <p>Netherlands Red Cross:<br>
       The Netherlands Red Cross (Rode Kruis) helps people in need during emergencies, conflicts and disasters. As official part of the International Red Cross and Red Crescent Movement, they focus on emergency response, volunteer assistance, first aid at events, first aid training, and assisted self-reliance, dedicated to providing assistance to those affected by disasters and conflicts. The organization is committed to principles such as humanity, impartiality, and neutrality.
 
 [Learn more →](https://www.rodekruis.nl/en/)
@@ -94,7 +95,7 @@ A group of dedicated student assistants and employees of the Heidelberg Institut
 
 <div class="container">
   <div class="organization">
-    <p>**Heidelberg Institute for Geoinformation Technology (HeiGIT):**<br>
+    <p>Heidelberg Institute for Geoinformation Technology (HeiGIT):<br>
       The Heidelberg Institute for Geoinformation Technology (HeiGIT) is a research institute specializing in geoinformatics and its application in addressing societal challenges. Affiliated with Heidelberg University, HeiGIT focuses on developing innovative solutions that leverage geographic information systems (GIS) and spatial technologies. The institute's work extends to areas such as disaster management, mobility, and environmental monitoring and align with its vision "A better society and environment through the improvement of free geoinformation and geoinformation technology".
 
 [Learn more →](https://heigit.org)
@@ -106,3 +107,8 @@ A group of dedicated student assistants and employees of the Heidelberg Institut
   </div>
 </div>
 
+To achieve the goal of creating a complete and comprehensive platform, we rely on a variety of sources to enhance the content we put together. Resources from our cooperating partners are provided to us, and thus, don't require additional citation. However, we do strive to provide sources, links, citations, and acknowledgments to other sources we may use throughout the platform.
+
+Thank you for visiting our **GIS Training Resource Center** and we hope you find the information we provide to be useful and informative. ❤️  
+If you have any questions or concerns, please don't hesitate to contact us:  
+[email protected]