Fuzzing: Add 3 fuzzers

Signed-off-by: AdamKorcz <adam@adalogics.com>

configuration/fuzz.go

@@ -0,0 +1,16 @@
+// +build gofuzz
+
+package configuration
+
+import (
+	"bytes"
+)
+
+// ParserFuzzer implements a fuzzer that targets Parser()
+// Export before building
+// nolint:deadcode
+func parserFuzzer(data []byte) int {
+	rd := bytes.NewReader(data)
+	_, _ = Parse(rd)
+	return 1
+}