Convert all files to LF file ending

LF is the defacto standard since it's used by Mac and Linux and Windows are mostly fine with it (batch files may be the only exception). Until this commit most of the files in this repo used a LF line endings anyway, the only exception were *.ino files which mostly used CRLF with couple of lines with LF. These mixed line endings cause troubles to those using VSCode since it doesn't support it (microsoft/vscode#127) so it's impossible to save a changed file without normalizing its line endings. This commit also introduces .gitattribute and .editorconfig files which will ensure correct formating in the future (strangely Arduino IDE doesn't support the latter one arduino/Arduino#8804).

Author: MartinHruza

.editorconfig

@@ -0,0 +1,13 @@
+root = true
+
+[*]
+end_of_line = lf
+insert_final_newline = true
+charset = utf-8
+trim_trailing_whitespace = true
+indent_style = space
+indent_size = 2
+
+[*.{md,adoc}]
+indent_style = space
+trim_trailing_whitespace = false

.gitattributes

@@ -0,0 +1 @@
+* text=auto

README.md

@@ -1,7 +1,7 @@
 <div align="center">
 
 [![Gaggiuino](/images/GAGGIUINO_LOGO_transp.png)](https://github.com/Zer0-bit/gaggiuino)
-  
+
 [![Compile Sketch](https://github.com/Zer0-bit/gaggiuino/actions/workflows/compile-sketch.yml/badge.svg)](https://github.com/Zer0-bit/gaggiuino/actions/workflows/compile-sketch.yml)
 [![Discord Chat](https://img.shields.io/discord/890339612441063494)](https://discord.gg/eJTDJA3xfh "Join Discord Help Chat")
 </div>