docs: minor fixes to copy and snippets (#1790)

Author: felangel

docs/src/content/docs/basics/dependency-injection.mdx

@@ -282,7 +282,7 @@ But if we change the order of the providers it will not work:
 ```dart
 Handler middleware(Handler handler) {
   return handler
-      // This won't work because Dart Frog is bottom top
+      // This won't work because Dart Frog resolves from bottom to top
       .use(wheelMiddlewareProvider())
       .use(carMiddlewareProvider())
 }

docs/src/content/docs/basics/environment.mdx

@@ -18,7 +18,7 @@ configured with different environments.
 ```dart
 Handler middleware(Handler handler) {
   return handler
-      .use(provider<CardsRepository>((_) {
+      .use(provider<DatabaseClient>((_) {
         return DatabaseClient(
           dbUrl: Platform.environment['DB_URL'],
           dbUser: Platform.environment['DB_USER'],

docs/src/content/docs/blog/future-of-dart-frog.mdx

@@ -75,18 +75,18 @@ worked on Dart Frog since its inception in April 2022:
 			src="https://avatars.githubusercontent.com/u/15887627?v=4"
 		/>
 	</a>
-	<a href="https://github.com/renancaraujo" aria-label="About Renan">
+	<a href="https://github.com/marcossevilla" aria-label="About Marcos">
 		<img
-			alt="Renan Profile Picture"
+			alt="Marcos Profile Picture"
 			class="rounded-full"
-			src="https://avatars.githubusercontent.com/u/6718144?v=4"
+			src="https://avatars.githubusercontent.com/u/31174242?v=4"
 		/>
 	</a>
-	<a href="https://github.com/marcossevilla" aria-label="About Marcos">
+	<a href="https://github.com/renancaraujo" aria-label="About Renan">
 		<img
-			alt="Marcos Profile Picture"
+			alt="Renan Profile Picture"
 			class="rounded-full"
-			src="https://avatars.githubusercontent.com/u/31174242?v=4"
+			src="https://avatars.githubusercontent.com/u/6718144?v=4"
 		/>
 	</a>
 </div>
@@ -130,7 +130,7 @@ as part of that meeting. Some of the work we have planned includes:
 
 ## How can you help?
 
-- 💬 Come join the community on [Discord](https://discord.gg/dart-frog)
+- 💬 Come join the community on [Discord](https://discord.gg/dart-frog).
 - 🙋
   [Open an issue](https://github.com/dart-frog-dev/dart_frog/issues/new/choose)
   if you encounter a bug or would like a new feature added.