added basic subscriptions support for playlists and channels

update youtube-dl binary on windows

updated favicon to the new icon

src/app/subscription/subscription-file-card/subscription-file-card.component.scss

@@ -0,0 +1,69 @@
+.example-card {
+    width: 200px;
+    height: 200px;
+    padding: 0px;
+    cursor: pointer;
+  }
+  
+  .menuButton {
+    right: 0px;
+    top: -1px;
+    position: absolute;
+    z-index: 999;
+    
+  }
+  
+  /* Coerce the <span> icon container away from display:inline */
+  .mat-icon-button .mat-button-wrapper {
+    display: flex;
+    justify-content: center;
+  }
+  
+  .image {
+    width: 200px;
+    height: 112.5px;
+    object-fit: cover;
+  }
+  
+  .example-full-width-height {
+    width: 100%;
+    height: 100%
+  }
+  
+  .centered {
+    margin: 0 auto;
+    top: 50%;
+    left: 50%;
+  }
+  
+  .img-div {
+    max-height: 80px;
+    padding: 0px;
+    margin: 32px 0px 0px -5px;
+    width: calc(100% + 5px + 5px);
+  }
+  
+  .max-two-lines {
+    display: -webkit-box;
+    display: -moz-box;
+    max-height: 2.4em;
+    line-height: 1.2em;
+    overflow: hidden;
+    text-overflow: ellipsis;
+    -webkit-box-orient: vertical;
+    -webkit-line-clamp: 2;
+    bottom: 5px;
+    position: absolute;
+  }
+  
+  @media (max-width: 576px){
+   
+    .example-card {
+      width: 175px !important;
+    }
+
+    .image {
+        width: 175px;
+    }
+     
+  }