[scheduler/docs] Add docs for the new scheduler module (#2113)

Author: DiegoTavares

.gitignore

@@ -41,3 +41,6 @@ target/*
 # Agent files
 AGENTS.md
 CLAUDE.md
+
+# Documentation navigation temporary file
+docs/nav_order_index.txt

docs/README.md

@@ -146,16 +146,16 @@ nav_order|file_path
 
 Example:
 ```
-1|/Users/rfigueiredo/github/OpenCue/docs/_docs/index.md
-2|/Users/rfigueiredo/github/OpenCue/docs/_docs/quick-starts/index.md
+1|./docs/_docs/index.md
+2|./docs/_docs/quick-starts/index.md
 ```
 
 #### `extract_nav_orders.py`
 Script to extract `nav_order` values from all markdown files in the `_docs` directory and save them to `nav_order_index.txt`.
 
 **Usage:**
 ```bash
-cd /Users/rfigueiredo/github/OpenCue/docs
+cd ./docs
 python3 extract_nav_orders.py
 ```
 
@@ -169,7 +169,7 @@ Script to update `nav_order` values in markdown files based on the values in `na
 
 **Usage:**
 ```bash
-cd /Users/rfigueiredo/github/OpenCue/docs
+cd ./docs
 
 # Dry run - see what would change without modifying files
 python3 update_nav_order.py --dry-run
@@ -479,4 +479,4 @@ bundle install
 1. Check existing [GitHub Issues](https://github.com/AcademySoftwareFoundation/OpenCue/issues)
 2. Run `./build.sh` for diagnostic information
 3. Join the [OpenCue Slack](https://academysoftwarefdn.slack.com/archives/CMFPXV39Q) for community support
-4. Create detailed issue with error logs and steps to reproduce
+4. Create detailed issue with error logs and steps to reproduce