docs: replace codesandbox embed with repl (#122)

* docs: Animations

* docs: add confetti gun

* docs: update basic example on home page

* docs(deps): Add stackblitz sdk to deps

* chore: update yarn.lock

* docs: use vue repl

* docs: remove stackblitz sdk

* docs: basic repl example

* docs: use repl for examples/index.md (basic example)

* docs: pass ext to repl

* docs: add copy plugin

* docs: use import map instead of dynamic imports

* docs: use repl for custom node example

* docs: hide repl errors

* docs: use repl for custom connectionline example

* docs: use repl for edges example

* docs: exclude repl from ssr

* docs: use repl for nested example

* docs: use repl for stress example

* docs: rename customNode to custom-node

* docs: use repl for update-edge example

* docs: use repl for update-node example

* docs: use repl for validation example

* docs: use repl for save-restore example

* docs: scale down minimap in repl examples

* docs: use repl for dnd example

* docs: use repl for empty example

* docs: use repl for hidden example

* docs: use repl for interaction example

* docs: use repl for multi example

* docs: add pinia example with stackblitz

* docs: update basic example

* docs: update examples

* docs: remove transition from intro

* docs: update features

* update: README.md

* docs: scope css

docs/components/examples/multi/style.css

@@ -0,0 +1,18 @@
+.vue-flow__node.dark {
+  background: #000000;
+  color: #ffffff;
+}
+
+.multiflows {
+  display: flex;
+  height: 100%;
+}
+
+.multiflows .vue-flow {
+  width: 100%;
+  height: 100%;
+}
+
+.multiflows .vue-flow:first-child {
+  border-right: 2px solid #333;
+}