Add docs/IMPORTS.md from Claro v1.17.26 zip

docs/IMPORTS.md

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+# Imports in Claro
+
+## Basic
+```claro
+IMPORT "lib/text.claro" AS text
+```
+
+## How paths resolve
+When you write `IMPORT "something.claro"` Claro searches in this order:
+
+1. Relative to the importing file’s folder  
+2. Each folder listed in the `CLARO_PATH` environment variable  
+   - separate entries with `;` or `:`  
+3. The current working directory
+
+## CLARO_PATH example
+
+### Windows
+```bat
+set CLARO_PATH=C:\claro\lib;C:\mygame\scripts
+```
+
+### Linux/macOS
+```sh
+export CLARO_PATH=/opt/claro/lib:/home/me/project/scripts
+```