initial version of SQIsign

Co-authored-by: Jorge Chavez-Saab <jorgechavezsaab@gmail.com>
Co-authored-by: Maria Corte-Real Santos <36373796+mariascrs@users.noreply.github.com>
Co-authored-by: Luca De Feo <github@defeo.lu>
Co-authored-by: Jonathan Komada Eriksen <jonathan.eriksen97@gmail.com>
Co-authored-by: Basil Hess <bhe@zurich.ibm.com>
Co-authored-by: Antonin Leroux <18654258+tonioecto@users.noreply.github.com>
Co-authored-by: Patrick Longa <plonga@microsoft.com>
Co-authored-by: Lorenz Panny <lorenz@yx7.cc>
Co-authored-by: Francisco Rodríguez-Henríquez <francisco.rodriguez@tii.ae>
Co-authored-by: Sina Schaeffler <108983332+syndrakon@users.noreply.github.com>
Co-authored-by: Benjamin Wesolowski <19474926+Calodeon@users.noreply.github.com>

.dir-locals.el

@@ -0,0 +1,16 @@
+;; Emacs style file
+;;
+;; Sets spaces-only indentation, 4-spaces tab stops, linux kernel
+;; coding style
+(
+ (nil . ((indent-tabs-mode . nil)
+         (tab-width . 4)
+         )
+      )
+ (c-default-style . ((c-mode . "linux")
+                     ))
+ (c-mode . ((c-file-style . "linux")
+            (c-basic-offset . 4)
+            )
+         )
+ )