Add missing examples to docs

Author: FBumann

CHANGELOG.md

@@ -72,6 +72,7 @@ If upgrading from v2.x, see the [v3.0.0 release notes](https://github.com/flixOp
 ### 📦 Dependencies
 
 ### 📝 Docs
+- Added missing examples to docs.
 
 ### 👷 Development
 

docs/examples/04-Scenarios.md

@@ -0,0 +1,5 @@
+# Scenario example
+
+```python
+{! ../examples/04_Scenarios/scenario_example.py !}
+```

docs/examples/05-Two-stage-optimization.md

@@ -0,0 +1,5 @@
+# Two-stage optimization
+
+```python
+{! ../examples/05_Two-stage-optimization/two_stage_optimization.py !}
+```

docs/examples/index.md

@@ -3,3 +3,12 @@
 Here you can find a collection of examples that demonstrate how to use FlixOpt.
 
 We work on improving this gallery. If you have something to share, please contact us!
+
+## Available Examples
+
+1. [Minimal Example](00-Minimal Example.md) - The simplest possible FlixOpt model
+2. [Simple Example](01-Basic Example.md) - A basic example with more features
+3. [Complex Example](02-Complex Example.md) - A comprehensive example with result saving and loading
+4. [Calculation Modes](03-Calculation Modes.md) - Comparison of different calculation modes
+5. [Scenarios](04-Scenarios.md) - Working with scenarios in FlixOpt
+6. [Two-stage Optimization](05-Two-stage-optimization.md) - Two-stage optimization approach