docs: fix grammar and typos in multiple markdown files

- Corrected possessive "it's own" → "its own" in sunsetting-create-react-app.md and react-labs-view-transitions-activity-and-more.md (11 occurrences)
- Fixed typo "inital mount" → "initial mount" in StrictMode.md
- All changes improve clarity and readability without affecting code

Author: AliBaig-xD

src/content/blog/2025/02/14/sunsetting-create-react-app.md

@@ -135,7 +135,7 @@ import {RouterProvider, createBrowserRouter} from 'react-router';
 import Home from './Home';
 import Dashboard from './Dashboard';
 
-// ✅ Each route has it's own URL
+// ✅ Each route has its own URL
 const router = createBrowserRouter([
   {path: '/', element: <Home />},
   {path: '/dashboard', element: <Dashboard />}

src/content/blog/2025/04/23/react-labs-view-transitions-activity-and-more.md

@@ -1577,7 +1577,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -2791,7 +2791,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -3985,7 +3985,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -5247,7 +5247,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -6519,7 +6519,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -7840,7 +7840,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -9167,7 +9167,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -10482,7 +10482,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -11853,7 +11853,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>
@@ -13191,7 +13191,7 @@ export default function Page({ heading, children }) {
         </div>
       </div>
       {/* Opt-out of ViewTransition for the content. */}
-      {/* Content can define it's own ViewTransition. */}
+      {/* Content can define its own ViewTransition. */}
       <ViewTransition default="none">
         <div className="bottom">
           <div className="content">{children}</div>

src/content/reference/react/StrictMode.md

@@ -1226,7 +1226,7 @@ li {
 
 </Sandpack>
 
-Now on inital mount in StrictMode, the ref callbacks are all setup, cleaned up, and setup again:
+Now on initial mount in StrictMode, the ref callbacks are all setup, cleaned up, and setup again:
 
 ```
 ...