updated README and documentation (first part) to match 0.6

docs/snippets/stackblitz.mdx

@@ -0,0 +1,45 @@
+export const examples = {
+   adminRich: {
+      path: "github/bknd-io/bknd-examples",
+      startScript: "example-admin-rich",
+      initialPath: "/data/schema"
+   }
+}
+
+export const Stackblitz = ({
+   path = "github/bknd-io/bknd-examples",
+   ratio = 9/16,
+   ...props
+}) => {
+   const params = new URLSearchParams({
+      ctl: 1,
+      hideExplorer: 1,
+      embed: 1,
+      view: "preview",
+      ...props
+   })
+   const url = new URL(`https://stackblitz.com/${path}?${params.toString()}`)
+
+   return (
+      <>
+         <div style={{
+            position: "relative",
+            overflow: "hidden",
+            width: '100%',
+            paddingTop: `${ratio*100}%`
+         }}>
+            <iframe width="100%" height="100%" src={url.toString()}
+               style={{
+                  position: "absolute",
+                  top: 0,
+                  left: 0,
+                  bottom: 0,
+                  right: 0,
+                  border: "none"
+               }}
+            ></iframe>
+         </div>
+         <div style={{ fontSize: "80%", opacity: 0.7, marginTop: "0.2rem", marginBottom: "1rem", textAlign: "center" }}>If you're having issues viewing it inline, <a href={url.toString()} target="_blank">try in a new tab</a>.</div>
+      </>
+   )
+}