added footer to page

.yarnrc.yml

@@ -0,0 +1 @@
+nodeLinker: node-modules

src/App.svelte

@@ -3,6 +3,7 @@
   import PasswordButton from './lib/PasswordButton.svelte';
   import DecryptButton from './lib/DecryptButton.svelte';
   import { errorMessage } from './lib/generalStore';
+  import Footer from './lib/Footer.svelte';
 
   let errorMessageContent
   errorMessage.subscribe( value => {
@@ -29,6 +30,8 @@
     You can drag and drop a file on the "Encrypt" Button to encrypt it with a randomly generated password, and decrypt a file encrypted with this tool.
     For more information check out the Documentation. 
   </p>
+
+  <Footer/>
 </main>
 
 <style>

src/lib/Footer.svelte

@@ -0,0 +1,25 @@
+<style>
+  footer {
+    align-items: center;
+    background-color: #333;
+    color: #fff;
+    display: flex;
+    height: 1em;
+    justify-content: space-between;
+    padding-left: 1em;
+    padding-right: 1em;
+    padding-bottom: 5px;
+    padding-top: 3px;
+    left: 0;
+    position: absolute;
+    right: 0;
+    bottom: 0;
+  }
+</style>
+
+<footer>
+  <p>Copyright {new Date().getFullYear()}</p>
+  <p>
+    <a href="https://codeberg.org/jmbit/crypttool/">Source</a> | <a href="https://www.jmbit.de/impressum/">Imprint</a>
+  </p>
+</footer>