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/widgets/chart/index.rst

@@ -0,0 +1,49 @@
+
+Line Chart
+""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_1
+  :language: c
+
+
+Faded area line chart with custom division lines
+"""""""""""""""""""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_2
+  :language: c
+
+Axis ticks and labels with scrolling
+""""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_3
+  :language: c
+
+Show the value of the pressed points
+""""""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_4
+  :language: c
+
+Display 1000 data points with zooming and scrolling
+""""""""""""""""""""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_5
+  :language: c
+
+Show cursor on the clicked point
+"""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_6
+  :language: c
+
+Scatter chart
+"""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_7
+  :language: c
+
+Stacked area chart
+"""""""""""""""""""""""""""""""""""
+
+.. lv_example:: widgets/chart/lv_example_chart_8
+  :language: