fix: standardize capitalization in documentation headers

Author: Le-Caignec

src/manage-data/dataProtector/dataProtectorSharing/renting/setProtectedDataRentingParams.md

@@ -107,7 +107,7 @@ const setForRentingResult =
   });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/renting/setProtectedDataToRenting.md

@@ -108,7 +108,7 @@ const setForRentingResult =
   });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/selling/buyProtectedData.md

@@ -154,7 +154,7 @@ For more details on how to create and manage appsWhitelist, see
 
 :::
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/selling/removeProtectedDataForSale.md

@@ -46,7 +46,7 @@ const notForSaleAnymoreResult =
   });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/selling/setProtectedDataForSale.md

@@ -79,7 +79,7 @@ const setForSaleResult = await dataProtectorSharing.setProtectedDataForSale({
 });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/subscription/removeProtectedDataFromSubscription.md

@@ -68,7 +68,7 @@ const { txHash } =
   });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/subscription/setProtectedDataToSubscription.md

@@ -56,7 +56,7 @@ const setToSubscriptionResult =
   });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/subscription/setSubscriptionParams.md

@@ -104,7 +104,7 @@ const setSubscriptionParamsResult =
   });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/dataProtector/dataProtectorSharing/subscription/subscribeToCollection.md

@@ -125,7 +125,7 @@ const { txHash } = await dataProtectorSharing.subscribeToCollection({
 });
 ```
 
-## Return value
+## Return Value
 
 ```ts twoslash
 import { type SuccessWithTransactionHash } from '@iexec/dataprotector';

src/manage-data/guides/manage-access.md

@@ -1,5 +1,5 @@
 ---
-title: Manage Access to Your ProtectedData
+title: Manage Access to your ProtectedData
 description:
   Learn how to protect data and grant secure access for specific apps and users
 ---
@@ -37,7 +37,7 @@ bun add @iexec/dataprotector
 
 :::
 
-## Protect Your Data
+## Protect your Data
 
 **Here's what happens:** Your data gets encrypted client-side and stored as an
 NFT. Only you control who can decrypt and use it.
@@ -60,7 +60,7 @@ const protectedData = await dataProtectorCore.protectData({
 console.log('Protected data address:', protectedData.address);
 ```
 
-### What You Can Protect
+### What you Can Protect
 
 **Data**: Any kind of data you want to keep private and make available for
 computations by authorized users and iApps.