feat(ts): update types for v2 (#338)

* chore: update types for v2

* fix: script.type shouldnt be required

fix: define meta.http-equiv as string, too many options to list

* chore: improve types

* chore: update typescript dependency

* chore: remove unnecessary gitignore

* chore: add metainfocomputed type

* chore: use camelcase for type

* chore: add interfaces for metaInfo properties

* chore: add missing body boolen for script types

* chore: include all type files on build

* chore: remove unused import

package.json

@@ -35,8 +35,7 @@
   "files": [
     "lib",
     "es",
-    "types/index.d.ts",
-    "types/vue.d.ts"
+    "types/*.d.ts"
   ],
   "main": "lib/vue-meta.common.js",
   "web": "lib/vue-meta.js",
@@ -57,7 +56,8 @@
     "test": "yarn test:unit && yarn test:e2e-ssr && yarn test:e2e-browser",
     "test:e2e-ssr": "jest test/e2e/ssr",
     "test:e2e-browser": "jest test/e2e/browser",
-    "test:unit": "jest test/unit"
+    "test:unit": "jest test/unit",
+    "test:types": "tsc -p types/test"
   },
   "dependencies": {
     "deepmerge": "^3.2.0"
@@ -113,6 +113,7 @@
     "selenium-webdriver": "^4.0.0-alpha.1",
     "standard-version": "^5.0.2",
     "tib": "^0.4.0",
+    "typescript": "^3.4.1",
     "vue": "^2.6.10",
     "vue-jest": "^3.0.4",
     "vue-loader": "^15.7.0",