Use github.com/mattn/go-sqlite3 instead of modernc.org/sqlite

Signed-off-by: Shin'ya Minazuki <shinyoukai@laidback.moe>

Makefile

@@ -1,8 +1,16 @@
 BINARY=gatus
 
+GO=go
+PREFIX=/usr/local
+
+.PHONY: build
+build:
+	env CGO_ENABLED=1 ${GO} build -v -o $(BINARY)
+
 .PHONY: install
 install:
-	go build -v -o $(BINARY) .
+	install -m0755 $(BINARY) $(DESTDIR)$(PREFIX)/bin/$(BINARY)
+	install -m0644 config.yaml $(DESTDIR)$(PREFIX)/etc/gatus.yml
 
 .PHONY: run
 run: