Add Dockerfiles and update Docs README (#124)

Co-authored-by: Ayush Chaurasia <ayush.chaurarsia@gmail.com>
Co-authored-by: pre-commit-ci[bot] <66853113+pre-commit-ci[bot]@users.noreply.github.com>

mkdocs.yml

@@ -57,15 +57,15 @@ markdown_extensions:
   - pymdownx.inlinehilite
   - pymdownx.snippets
 
-  # button
+  # Button
   - attr_list
 
-  # content tabs
+  # Content tabs
   - pymdownx.superfences
   - pymdownx.tabbed:
       alternate_style: true
 
-  # highlight
+  # Highlight
   - pymdownx.critic
   - pymdownx.caret
   - pymdownx.keys
@@ -74,12 +74,12 @@ markdown_extensions:
 plugins:
   - mkdocstrings
 
-# primary navigation
+# Primary navigation
 nav:
   - Quickstart: quickstart.md
   - CLI: cli.md
   - Python Interface: sdk.md
-  - Configuration: conf.md
+  - Configuration: config.md
   - Tasks:
       - Detection: tasks/detection.md
       - Segmentation: tasks/segmentation.md
@@ -90,6 +90,8 @@ nav:
       - Customize Predictor: customize/predict.md
   - Reference:
       - YOLO Models: reference/model.md
-      - Trainer :
-          - BaseTrainer: reference/base_trainer.md
-
+      - Engine:
+          - Trainer: reference/base_trainer.md
+          - Validator: reference/base_val.md
+          - Predictor: reference/base_pred.md
+          - Exporter: reference/exporter.md