fix spectypes .eslintignore

The node/no-published-import did not fail before because the .gitignore in
the spectypes directory. Using the global .gitignore triggers it through -
looks like a bug in eslint?

Nevertheless for this project the rule is of no use.

Author: hoeck

.eslintignore

@@ -1,3 +1,3 @@
 **/node_modules
 docs/dist
-compiled/spectypes/build
+cases/spectypes/build

.eslintrc.json

@@ -1,5 +1,8 @@
 {
   "extends": "./node_modules/gts/",
+  "rules": {
+    "node/no-unpublished-import": "off"
+  },
   "env": {
     "jest": true
   }

.gitignore

@@ -80,7 +80,7 @@ typings/
 # nuxt.js build output
 .nuxt
 
-# react / gatsby 
+# react / gatsby
 public/
 
 # vuepress build output
@@ -99,3 +99,6 @@ public/
 
 # sourcemaps
 docs/dist/app.js.map
+
+# spectype build artifacts
+cases/spectypes/build