docs include paths in libs

docs/libs/bmp.md

@@ -28,7 +28,7 @@ Note that, a file system driver needs to registered to open images from files. R
 ## Example
 ```eval_rst
 
-.. include:: ../../../examples/libs/bmp/index.rst
+.. include:: ../../examples/libs/bmp/index.rst
 
 ```
 

docs/libs/gif.md

@@ -34,7 +34,7 @@ To decode and display a GIF animation the following amount of RAM is required:
 ## Example
 ```eval_rst
 
-.. include:: ../../../examples/libs/gif/index.rst
+.. include:: ../../examples/libs/gif/index.rst
 
 ```
 

docs/libs/png.md

@@ -18,7 +18,7 @@ As it might take significant time to decode PNG images LVGL's [images caching](h
 ## Example
 ```eval_rst
 
-.. include:: ../../../examples/libs/png/index.rst
+.. include:: ../../examples/libs/png/index.rst
 
 ```
 

docs/libs/qrcode.md

@@ -26,3 +26,17 @@ lv_qrcode_update(qr, data, strlen(data));
 ## Notes
 - QR codes with less data are smaller but they scaled by an integer numbers number to best fit to the given size
 
+
+## Example
+```eval_rst
+
+.. include:: ../../examples/libs/qrcode/index.rst
+
+```
+
+## API
+
+```eval_rst
+
+.. doxygenfile:: lv_qrcode.h
+  :project: lvgl

docs/libs/sjpg.md

@@ -65,7 +65,7 @@ All good!
 ## Example
 ```eval_rst
 
-.. include:: ../../../examples/libs/sjpg/index.rst
+.. include:: ../../examples/libs/sjpg/index.rst
 
 ```