add zig as a language

.editorconfig

@@ -0,0 +1,4 @@
+root = true
+
+[*.zig]
+indent_style = space

Day01/Part1.zig

@@ -0,0 +1,6 @@
+const std = @import("std");
+
+pub fn main() !void {
+    const stdout = std.io.getStdOut().writer();
+    try stdout.print("Hello, {s}!\n", .{"world"});
+}

clean

@@ -4,5 +4,4 @@ part="$2"
 
 day="$(printf '%02d' "$day")"
 
-rm -f ./run ./luac.out
-rm -f "Day${1}/Part${2}.hi" "Day${1}/Part${2}.o"
+rm -r -f run "Day${day}/Part${part}.hi" "Day${1}/Part${part}.o" "Day${day}/zig-cache"

prepare

@@ -4,11 +4,15 @@ part="$2"
 
 day="$(printf '%02d' "$day")"
 
-if test -f "Day${day}/Part${part}.lua"; then
-	luac -o luac.out "Day${day}/Part${part}.lua"
+name="Day${day}/Part${part}"
+
+if zig -h > /dev/null && test -f "${name}.zig"; then
+	zig build-exe --name run "${name}.zig"
+elif luac -v > /dev/null && test -f "${name}.lua"; then
+	luac -o luac.out "${name}.lua"
 	printf '#!/bin/sh\nlua luac.out "$@"\n' > run
 	chmod u+x run
-elif test -f "Day${day}/Part${part}.hs"; then
+elif stack > /dev/null && test -f "${name}.hs"; then
 	#stack build
-	stack ghc -- -O3 "Day${day}/Part${part}.hs" -o run
+	stack ghc -- -O3 "${name}.hs" -o run
 fi