move files to new locations

Signed-off-by: Sebastiaan van Stijn <github@gone.nl>

desktop/extensions-sdk/build/build-install.md

@@ -2,6 +2,9 @@
 title: Build, test, and install an extension
 description: Docker extension CLI
 keywords: Docker, extensions, sdk, cli
+redirect_from:
+- /desktop/extensions-sdk/extensions/validation/
+- /desktop/extensions-sdk/dev/cli/build-test-install-extension/
 ---
 
 The [sample folder](https://github.com/docker/extensions-sdk/tree/main/samples) contains multiple extensions.

desktop/extensions-sdk/build/set-up/minimal-backend-extension.md

@@ -2,6 +2,8 @@
 title: Minimal backend extension tutorial
 description: Minimal backend extension tutorial
 keywords: Docker, extensions, sdk, tutorial
+redirect_from:
+- /desktop/extensions-sdk/tutorials/minimal-backend-extension/
 ---
 
 Learn how to create a simple Docker Extension that runs CLI commands in the backend.

desktop/extensions-sdk/build/set-up/minimal-frontend-extension.md

@@ -2,6 +2,8 @@
 title: Minimal frontend extension tutorial
 description: Minimal frontend extension tutorial
 keywords: Docker, extensions, sdk, tutorial
+redirect_from:
+- /desktop/extensions-sdk/tutorials/minimal-frontend-extension/
 ---
 
 Learn how to create a minimal frontend extension based on plain HTML.

desktop/extensions-sdk/build/set-up/minimal-frontend-using-docker-cli.md

@@ -2,6 +2,8 @@
 title: Minimal docker CLI extension tutorial
 description: Minimal docker CLI extension tutorial
 keywords: Docker, extensions, sdk, tutorial
+redirect_from:
+- /desktop/extensions-sdk/tutorials/minimal-frontend-using-docker-cli/
 ---
 
 Learn how to create a simple Docker extension that invokes Docker CLI commands.

desktop/extensions-sdk/build/set-up/react-extension.md

@@ -2,6 +2,8 @@
 title: Minimal react extension tutorial
 description: Minimal react extension tutorial
 keywords: Docker, extensions, sdk, tutorial
+redirect_from:
+- /desktop/extensions-sdk/tutorials/react-extension/
 ---
 
 Learn how to create a simple Docker extension that contains only a UI part and is based on ReactJS.