Feature/v3 (#225)

* Remove Vue dependency and change extends

Signed-off-by: Jakub Juszczak <netghost03@gmail.com>

* 💎 Release new version 3.0.0-rc0

* ⬆️ Update examples

* 📝 Update README.md

* ⬆️ Update examples

* ⬆️ Update englishd docs

* ⬆️ Update transalted docs with current code examples

* 🔥 Remove dist files from gitignore

* ⬆️ Update dependencies vue and chartjs

* Change private data

Implements #182. The private chart instance is now in the vue.js data model. And can be accessed over `this.$data._chart`
Updated unit tests

* 📝 Update docs with private data

* ✨ Add codeclimate ignore

* ⬆️ Update codeclimate

* ⬆️ Update codeclimate

* ⬆️ Update codeclimate

Add build and config folders to ignore

.codeclimate.yml

@@ -0,0 +1,18 @@
+engines:
+  eslint:
+    enabled: true
+  duplication:
+    enabled: true
+    config:
+      languages:
+      - javascript:
+ratings:
+  paths:
+  - "**.js"
+exclude_paths:
+- "dist/"
+- "test/**/*"
+- "es/"
+- "build/"
+- "config/"
+- "src/examples/**"