+ add training page (add admonition shortcode)

+ Finish translation
+ clean unused asset

themes/tse/assets/css/admonition.scss

@@ -0,0 +1,70 @@
+.admonition {
+  position: relative;
+  margin: 1rem 0;
+  padding: 0 0.75rem;
+  background-color: map-get($admonition-background-color-map, "note");
+  border-left: 0.25rem solid map-get($admonition-color-map, "note");
+  overflow: auto;
+
+  .admonition-title {
+    font-weight: bold;
+    margin: 0 -0.75rem;
+    padding: 0.25rem 1.8rem;
+    border-bottom: 1px solid map-get($admonition-background-color-map, "note");
+    background-color: opacify(
+      map-get($admonition-background-color-map, "note"),
+      0.15
+    );
+  }
+
+  &.open .admonition-title {
+    background-color: map-get($admonition-background-color-map, "note");
+  }
+
+  .admonition-content {
+    padding: 0.5rem 0;
+  }
+
+  span.icon > svg {
+    font-size: 0.85rem;
+    color: map-get($admonition-color-map, "note");
+    position: absolute;
+    top: 0.6rem;
+    left: 0.4rem;
+  }
+
+  span.details-icon > svg {
+    position: absolute;
+    top: 0.6rem;
+    right: 0.3rem;
+  }
+
+  @each $type, $color in $admonition-color-map {
+    &.#{$type} {
+      border-left-color: $color;
+
+      span.icon > svg {
+        color: $color;
+      }
+    }
+  }
+
+  @each $type, $color in $admonition-background-color-map {
+    &.#{$type} {
+      background-color: $color;
+
+      .admonition-title {
+        border-bottom-color: $color;
+        background-color: opacify($color, 0.15);
+      }
+
+      &.open .admonition-title {
+        background-color: $color;
+      }
+    }
+  }
+
+  &:last-child {
+    margin-bottom: 0.75rem;
+  }
+}