Merge branch 'docs/add_mipi_dsi_guide' into 'master'

docs(lcd): Add MIPI-DSI Guidance Documentation

See merge request ae_group/esp-iot-solution!1368

Author: Horion0415

docs/en/display/lcd/index.rst

@@ -11,5 +11,6 @@ LCD Screen
     LCD Development Guide <lcd_development_guide>
     SPI LCD Introduction <spi_lcd>
     RGB LCD Introduction <rgb_lcd>
+    MIPI DSI LCD Introduction <mipi_dsi_lcd>
     LCD Screen Tearing Introduction <lcd_screen_tearing>
     LCD Application solution <lcd_application_solution>