Merge pull request #4225 from jepler/update-doc-excludes

docs: ignore the idf_tools folder

Author: tannewt

conf.py

@@ -178,6 +178,7 @@
                     "ports/cxd56/spresense-exported-sdk",
                     "ports/esp32s2/certificates",
                     "ports/esp32s2/esp-idf",
+                    "ports/esp32s2/.idf_tools",
                     "ports/esp32s2/peripherals",
                     "ports/litex/hw",
                     "ports/minimal",