Docs: Insert svg images to the docs and updated conf.py

Insert svg images to JESD204 documentation
Some waveforms in svg were replaced by its source counterpart,
it is necessary to format those ones

Remove Python extensions and using Jorge Marques's adi-doctools
pip package

Signed-off-by: Carlos Souza <[email protected]>

Author: You

docs/conf.py

@@ -19,8 +19,7 @@
 	"sphinx.ext.todo",
 	"sphinx.ext.viewcode",
 	"sphinxcontrib.wavedrom",
-	"adi_links",
-	"adi_hdl_parser"
+    "adi_doctools"
 ]
 
 templates_path = ['sources/template']