fix: correct MDX comment syntax and exclude from prettier

Author: davidfirst

.prettierignore

@@ -1,3 +1,6 @@
 fixtures
 e2e/fixtures
-components/legacy/e2e-helper/excluded-fixtures
+components/legacy/e2e-helper/excluded-fixtures
+# MDX files with JSX comments that prettier incorrectly escapes
+scopes/react/aspect-docs/react/react.mdx
+scopes/react/ui/loader-fallback/loader-fallback.docs.mdx

scopes/react/aspect-docs/react/react.mdx

@@ -169,7 +169,7 @@ export class CustomReactExtension {
 }
 ```
 
-{/\* ## Composition Providers
+{/* ## Composition Providers
 
 The React environment is able to "wrap" component compositions with an array of providers, each of which is simply a component which wraps its `children` with functionality, such as a context, styling, theme, etc.
 
@@ -222,7 +222,7 @@ export class ReactWithProvidersPreview {
 ReactWithProvidersAspect.addRuntime(ReactWithProvidersPreview);
 ```
 
-> See the full demo project [here](https://github.com/teambit/react-env-with-providers). \*/}
+> See the full demo project [here](https://github.com/teambit/react-env-with-providers). */}
 
 ### Transformers API docs
 

scopes/react/ui/loader-fallback/loader-fallback.docs.mdx

@@ -22,7 +22,7 @@ const safeTarget = useFallback(Target && <Target />, <DefaultComponent />, { tim
    1. then, after _x_ seconds - show the default.
 
 {/* live playground doesn't keep state when editing :( */}
-{/\* Try it out:
+{/* Try it out:
 
 ````tsx live
 function Example() {