Updated Gitignore paths to ensure images in README show on GitHub

Author: kmock930

.cache/experiment_figures/Models_Comparison_ga-standard/models_comparison_ga-standard.png

@@ -1,15 +1,23 @@
 .venv/
 __pycache__/
-.cache/
+**/.cache/*
+!.cache/experiment_figures/
+.cache/experiment_figures/*
+!.cache/experiment_figures/Models_Comparison_ga-standard/
+!.cache/experiment_figures/Models_Comparison_pso/
+!.cache/experiment_figures/Models_Comparison_rs/
+!.cache/experiment_figures/Optimizers_Comparison_cnn/
+!.cache/experiment_figures/Optimizers_Comparison_dt/
+!.cache/experiment_figures/Optimizers_Comparison_knn/
+.cache/experiment_figures/*/*
+!.cache/experiment_figures/Models_Comparison_ga-standard/models_comparison_ga-standard.png
+!.cache/experiment_figures/Models_Comparison_pso/models_comparison_pso.png
+!.cache/experiment_figures/Models_Comparison_rs/models_comparison_rs.png
+!.cache/experiment_figures/Optimizers_Comparison_cnn/all_experiments_cnn.png
+!.cache/experiment_figures/Optimizers_Comparison_dt/all_experiments_dt.png
+!.cache/experiment_figures/Optimizers_Comparison_knn/all_experiments_knn.png
 .ruff_cache/
 *.pyc
 .aim/
 **/runs/
-*.egg-info/
-# Images shown in README
-**/models_comparison_ga-standard.png
-**/models_comparison_pso.png
-**/models_comparison_rs.png
-**/all_experiments_cnn.png
-**/all_experiments_dt.png
-**/all_experiments_knn.png
+*.egg-info/