New display ST7735 (#1066)

* Initial Commit - ST7735

* Updated for CI checks

* Updated for travis build

* Travis fixes

* Travis line too long

* Travis fixes

* Fixed up travis format issues

* Travis Fixes

* Initial Commit - ST7735

* Updated for CI checks

* Updated for travis build

* Travis fixes

* Travis line too long

* Travis fixes

* Fixed up travis format issues

* Travis Fixes

* Update to new color API and added test

* Check fixes

* Fixed sid length in test

* Cleaned up whitespaces

* kbx81 recommended fixes

* test fix

* Fixes of fixes

* Fixed test1.yaml

* Fixed test1.yaml

* Changed digital pin #s to gpio

* Updated to match kbx's color names

* Typo for ST7735_INITR_MINI_160X80

* Updated 8bit color space code
Added to_rgb_332 to color.h
fixed typo

* Added in to_rgb_332,to_bgr_332, rgb_332to_rgb_556 and a more generic scale

* Fixed MADCTL

* Fixp MADCTL

* Implemented usrbgr option
updated color to support 332 bgr conversion
typo fix

* Updated to_bgr_332

* Fix up for clang

* FIx up init code. type in buffer caused overrun

* fixup protected names

* typos

* Matched use_bgr to its conf

* color.h red fix in bgr_233to_rgb_565

* Fix ST7735_INITR_MINI_160X80

* Renamed bgr_233to_bgr_565 to match its function
Color space leak in bgr_233to_bgr_565.
cleaned up init code for displays.

* Fix

* clang fix

* Started Color Conversion

* Added various bit color functions
add triadto

* lint changes

* Various fixes

* Various formatting fixes. Wish my checks worked!

* Updated color api to support different formats
removed to_rgb_565

* lint clang fixes

* Test1 fix

* test1.yaml fix

* fixed 565 in ILI9341Display

* Added CodeOwners

* Updated CODEOWNERS

* changed to to332 and to565

* Waiting for color.h changes

* Stage changes

* Removed all changes except this driver

* Moved color functions into driver

* lint changes

* Lint and removed unrelated display driver changes

* Lint changes

* Initial Commit - ST7735

* Updated for CI checks

* Updated for travis build

* Travis fixes

* Travis line too long

* Travis fixes

* Fixed up travis format issues

* Travis Fixes

* Initial Commit - ST7735

* Updated for CI checks

* Updated for travis build

* Travis fixes

* Travis line too long

* Travis fixes

* Fixed up travis format issues

* Travis Fixes

* Update to new color API and added test

* Check fixes

* Fixed sid length in test

* Cleaned up whitespaces

* kbx81 recommended fixes

* test fix

* Fixes of fixes

* Fixed test1.yaml

* Fixed test1.yaml

* Changed digital pin #s to gpio

* Updated to match kbx's color names

* Typo for ST7735_INITR_MINI_160X80

* Updated 8bit color space code
Added to_rgb_332 to color.h
fixed typo

* Added in to_rgb_332,to_bgr_332, rgb_332to_rgb_556 and a more generic scale

* Fixed MADCTL

* Fixp MADCTL

* Implemented usrbgr option
updated color to support 332 bgr conversion
typo fix

* Updated to_bgr_332

* Fix up for clang

* FIx up init code. type in buffer caused overrun

* fixup protected names

* typos

* Matched use_bgr to its conf

* color.h red fix in bgr_233to_rgb_565

* Fix ST7735_INITR_MINI_160X80

* Renamed bgr_233to_bgr_565 to match its function
Color space leak in bgr_233to_bgr_565.
cleaned up init code for displays.

* Fix

* clang fix

* Started Color Conversion

* Added various bit color functions
add triadto

* lint changes

* Various fixes

* Various formatting fixes. Wish my checks worked!

* Updated color api to support different formats
removed to_rgb_565

* lint clang fixes

* Test1 fix

* test1.yaml fix

* fixed 565 in ILI9341Display

* Added CodeOwners

* Updated CODEOWNERS

* changed to to332 and to565

* Waiting for color.h changes

* Stage changes

* Removed all changes except this driver

* Moved color functions into driver

* lint changes

* Lint and removed unrelated display driver changes

* Lint changes

* Updated with latest color api

* pulled from origin

* Updated for color.h changes

* pulled test1 from dev

* Added test

CODEOWNERS

@@ -64,6 +64,7 @@ esphome/components/ssd1331_base/* @kbx81
 esphome/components/ssd1331_spi/* @kbx81
 esphome/components/ssd1351_base/* @kbx81
 esphome/components/ssd1351_spi/* @kbx81
+esphome/components/st7735/* @SenexCrenshaw
 esphome/components/st7789v/* @kbx81
 esphome/components/substitutions/* @esphome/core
 esphome/components/sun/* @OttoWinter