docs: unify READMEs with other projects

.local/README.md

@@ -1,10 +1,3 @@
 # `.local/`
 
-This directory contains objects that are specific to this repository and have
-no better place to stay at.
-
-## Content
-
-| Element        | Description                                |
-| -------------- | ------------------------------------------ |
-| [`node`](node) | Node NPM environment for Semantic Release. |
+Contains elements that have no other place to stay at.

.local/node/README.md

@@ -0,0 +1,7 @@
+# `.local/node`
+
+Node environment used for running semantic-release. Inside the CI/CD pipeline
+the content of this directory is moved to the root of the repository.
+
+Read [`../../docs/internal/semantic-release.md`](../../docs/internal/semantic-release.md)
+for more information.