Add precommit

Signed-off-by: Matej Focko <mfocko@redhat.com>

.pre-commit-config.yaml

@@ -0,0 +1,10 @@
+# See https://pre-commit.com for more information
+# See https://pre-commit.com/hooks.html for more hooks
+repos:
+-   repo: https://github.com/pre-commit/pre-commit-hooks
+    rev: v3.2.0
+    hooks:
+    -   id: trailing-whitespace
+    -   id: end-of-file-fixer
+    -   id: check-yaml
+    -   id: check-added-large-files

Makefile

@@ -3,7 +3,7 @@ TIDY	=	clang-tidy
 CFLAGS	=	-std=c11 -Wall -Wextra
 LDLIBS	=	-lm
 
-build:
+all:
 	$(CC) $(CFLAGS) main.c $(LDLIBS) -o main
 
 tidy:
@@ -14,3 +14,5 @@ format:
 
 clean:
 	rm -f main *.o
+
+.PHONY: tidy format clean