fix: add linters

Author: dnitsch

.github/workflows/ci.yml

@@ -56,7 +56,7 @@ jobs:
 
       - name: Run linters
         run: |
-          echo 'eirctl run vuln:check'
+          eirctl run lints
 
       - name: Unit Tests
         run: |

.golangci.yaml

@@ -0,0 +1,31 @@
+version: "2"
+linters:
+  # Default set of linters.
+  # The value can be: `standard`, `all`, `none`, or `fast`.
+  # Default: standard
+  default: standard
+  exclusions:
+    generated: lax
+    # Log a warning if an exclusion rule is unused.
+    # Default: false
+    warn-unused: true
+    # Predefined exclusion rules.
+    # Default: []
+    presets:
+      - comments
+      - std-error-handling
+      - common-false-positives
+      - legacy
+    # Excluding configuration per-path, per-linter, per-text and per-source.
+    rules:
+      # Exclude some linters from running on tests files.
+      - path: _test\.go
+        linters:
+          - gocyclo
+          - errcheck
+          - dupl
+          - gosec
+          - ineffassign
+          - staticcheck
+          - unused
+          - govet