chore: types improvement on Micro Frontend support document (#7672)

* chore: typescript improvement

* chore: move type declaration

src/platforms/javascript/common/configuration/micro-frontend-support.mdx

@@ -96,8 +96,21 @@ fallback DSN defined in `Sentry.init`.
 ```typescript
 import { captureException, init, makeFetchTransport } from "@sentry/browser";
 import { makeMultiplexedTransport } from "@sentry/core";
+import { Envelope, EnvelopeItemType } from "@sentry/types";
 
-function dsnFromFeature({ getEvent }) {
+interface MatchParam {
+  /** The envelope to be sent */
+  envelope: Envelope;
+  /**
+   * A function that returns an event from the envelope if one exists. You can optionally pass an array of envelope item
+   * types to filter by - only envelopes matching the given types will be returned.
+   *
+   * @param types Defaults to ['event'] (only error events will be returned)
+   */
+  getEvent(types?: EnvelopeItemType[]): Event | undefined;
+}
+
+function dsnFromFeature({ getEvent }: MatchParam) {
   const event = getEvent();
   switch (event?.tags?.feature) {
     case "cart":
@@ -129,31 +142,6 @@ You can then set tags/contexts on events in individual micro-frontends to decide
 containing the DSN and optionally the release.
 
 ```typescript
-type EnvelopeItemType =
-  | "client_report"
-  | "user_report"
-  | "session"
-  | "sessions"
-  | "transaction"
-  | "attachment"
-  | "event"
-  | "profile"
-  | "replay_event"
-  | "replay_recording"
-  | "check_in";
-
-interface MatchParam {
-  /** The envelope to be sent */
-  envelope: Envelope;
-  /**
-   * A function that returns an event from the envelope if one exists. You can optionally pass an array of envelope item
-   * types to filter by - only envelopes matching the given types will be returned.
-   *
-   * @param types Defaults to ['event'] (only error events will be returned)
-   */
-  getEvent(types?: EnvelopeItemType[]): Event | undefined;
-}
-
 interface RouteTo {
   dsn: string;
   release?: string;