slim: add page, docker-slim: convert to alias (#19708)

Co-authored-by: Ivan Baluta <50071699+ivanbaluta@users.noreply.github.com>

pages/common/docker-slim.md

@@ -1,24 +1,7 @@
 # docker-slim
 
-> Analyze and optimize Docker images.
-> More information: <https://github.com/slimtoolkit/slim>.
+> This command is an alias of `slim`.
 
-- Start DockerSlim on interactive mode:
+- View documentation for the original command:
 
-`docker-slim`
-
-- Analyze Docker layers from a specific image:
-
-`docker-slim xray --target {{image:tag}}`
-
-- Lint a Dockerfile:
-
-`docker-slim lint --target {{path/to/Dockerfile}}`
-
-- Analyze and generate an optimized Docker image:
-
-`docker-slim build {{image:tag}}`
-
-- Display help for a subcommand:
-
-`docker-slim {{subcommand}} --help`
+`tldr slim`

pages/common/slim.md

@@ -0,0 +1,24 @@
+# slim
+
+> Analyze and optimize Docker images.
+> More information: <https://github.com/slimtoolkit/slim#usage-details>.
+
+- Start Slim on interactive mode:
+
+`slim`
+
+- Analyze Docker layers from a specific image:
+
+`slim xray --target {{image:tag}}`
+
+- Lint a Dockerfile:
+
+`slim lint --target {{path/to/Dockerfile}}`
+
+- Analyze and generate an optimized Docker image:
+
+`slim build {{image:tag}}`
+
+- Display help for a subcommand:
+
+`slim {{subcommand}} --help`