docs: minor fixes (#446)

docs/index.md

@@ -61,12 +61,12 @@ pip install imaginairy
     result.img.save("sun_set_green_valley.png")
     ```
 
-<img src="/assets/028374_1_ddim50_PS7.5_wide_shot_of_sun_setting_on_a_green_valley_[generated].jpg" width="100%" height="auto">
+<img src="assets/028374_1_ddim50_PS7.5_wide_shot_of_sun_setting_on_a_green_valley_[generated].jpg" width="100%" height="auto">
 
 
 ---
 
-## Image Generation Control
+### Image Generation Control
 Guide the generation process by providing body poses, depth maps, canny edges, hed boundaries, normal maps, or even QR codes.
 
 #### Body Pose Control
@@ -329,4 +329,4 @@ allow the tool to generate one for you.
     generate_video(input_path="assets/rocket-wide.png")
 
     ```
-<img src="/assets/svd-rocket.gif" alt="portrait photo of a freckled woman" width="50%" height="auto">
+<img src="assets/svd-rocket.gif" width="50%" height="auto">

mkdocs.yml

@@ -35,8 +35,8 @@ plugins:
             show_source: true
 
 nav:
-  - Home: index.md
+  - Overview: index.md
-  - Docs:
+  - API Docs:
       - CLI:
           - Create Image: docs/CLI/imagine.md
           - Create Video: docs/CLI/videogen.md