Move all bergamot partials and shortcodes into theme

Signed-off-by: Danila Fedorin <danila.fedorin@gmail.com>

layouts/shortcodes/bergamot_exercise.html

@@ -1,21 +0,0 @@
-<div class="bergamot-exercise">
-    <details open>
-        <summary>
-            <span class="bergamot-exercise-label">
-                <span class="bergamot-exercise-number"></span>
-                {{ if or (eq (.Get "label") "") (eq (.Get "label") nil) }}{{ else }}({{ .Get "label" }}){{ end }}:
-            </span>
-        </summary>
-        {{ transform.Markdownify .Inner }}
-
-        <div class="bergamot-button-group">
-            {{ if or (eq (.Get "preset") "") (eq (.Get "preset") nil) }}
-            {{ else }}
-            <button class="bergamot-button bergamot-play" onclick='window.Bergamot.runPreset(this.parentElement, "bergamot-widget-container-{{ .Get "id" }}", "{{ .Get "preset" }}")'>{{ partial "icon.html" "play" }}Start Bergamot</button>
-            <button class="bergamot-button bergamot-close bergamot-hidden" onclick='window.Bergamot.close(this.parentElement, "bergamot-widget-container-{{ .Get "id" }}")'>{{ partial "icon.html" "x" }}Close Bergamot</button>
-            {{ end }}
-        </div>
-
-        <div id="bergamot-widget-container-{{ .Get "id" }}"></div>
-    </details>
-</div>

layouts/shortcodes/bergamot_widget.html

@@ -1,8 +0,0 @@
-<div id="{{ .Get "id" }}"></div>
-<script>
-    window.addEventListener('load', function() {
-        window.Bergamot.run(null, '{{ .Get "id" }}',
-            {{ partial "bergamotparseinputmodes.js" (.Get "modes") | safeJS }},
-            '{{ .Get "prompt" }}', '{{ .Inner }}', '{{ default "default" (.Get "rendering") }}', '{{ .Get "query" }}');
-    });
-</script>