Avoid GoLangCI Lint excluding rules by default

In order to make your code the best possible let's only exclude things explicitly.

Author: boekkooi-fresh

.golangci.yml

@@ -24,3 +24,10 @@ linters:
     - varcheck
     - vet
     - vetshadow
+
+issues:
+  exclude-use-default: false
+  exclude-rules:
+    - path: _test\.go
+      linters:
+        - errcheck