message: Add rule to not start interface names with I
diff: {
  - "defaultSeverity": "warning",
  + "defaultSeverity": "error",
  "extends": [
  "tslint:recommended"
  ],
  - "jsRules": {},
  "rules": {
  "quotemark": [
  true,
  "semicolon": [
  true,
  "always"
  + ],
  + "interface-name": [
  + true,
  + "never-prefix"
  ]
  - },
  - "rulesDirectory": []
  + }
  }
  