Tactility modules refactored (#13)

* refactor modules

* moved esp_lvgl_port to libs/

* added missing file

* fix for sim build

* various sim/pc fixes

* lvgl improvements

* added missing cmake files

libs/lvgl/examples/styles/lv_example_style_11.py

@@ -0,0 +1,43 @@
+#
+# Using multiple styles
+#
+# A base style
+
+style_base = lv.style_t()
+style_base.init()
+style_base.set_bg_color(lv.palette_main(lv.PALETTE.LIGHT_BLUE))
+style_base.set_border_color(lv.palette_darken(lv.PALETTE.LIGHT_BLUE, 3))
+style_base.set_border_width(2)
+style_base.set_radius(10)
+style_base.set_shadow_width(10)
+style_base.set_shadow_ofs_y(5)
+style_base.set_shadow_opa(lv.OPA._50)
+style_base.set_text_color(lv.color_white())
+style_base.set_width(100)
+style_base.set_height(lv.SIZE.CONTENT)
+
+# Set only the properties that should be different
+style_warning = lv.style_t()
+style_warning.init()
+style_warning.set_bg_color(lv.palette_main(lv.PALETTE.YELLOW))
+style_warning.set_border_color(lv.palette_darken(lv.PALETTE.YELLOW, 3))
+style_warning.set_text_color(lv.palette_darken(lv.PALETTE.YELLOW, 4))
+
+# Create an object with the base style only
+obj_base = lv.obj(lv.scr_act())
+obj_base.add_style(style_base, 0)
+obj_base.align(lv.ALIGN.LEFT_MID, 20, 0)
+
+label = lv.label(obj_base)
+label.set_text("Base")
+label.center()
+
+# Create another object with the base style and earnings style too
+obj_warning = lv.obj(lv.scr_act())
+obj_warning.add_style(style_base, 0)
+obj_warning.add_style(style_warning, 0)
+obj_warning.align(lv.ALIGN.RIGHT_MID, -20, 0)
+
+label = lv.label(obj_warning)
+label.set_text("Warning")
+label.center()