chore(project): 添加项目配置文件和忽略规则

- 添加 Babel 配置文件支持 ES6+ 语法转换
- 添加 ESLint 忽略规则和配置文件
- 添加 Git 忽略规则文件
- 添加 Travis CI 配置文件
- 添加 1.4.2 版本变更日志文件
- 添加 Helm 图表辅助模板文件
- 添加 Helm 忽略规则文件

saga/seata-saga-statemachine-designer/.eslintrc.json

@@ -0,0 +1,26 @@
+{
+  "env": {
+    "browser": true
+  },
+  "parser": "babel-eslint",
+  "extends": "airbnb",
+  "rules": {
+    "arrow-body-style": 0,
+    "class-methods-use-this": 0,
+    "func-names": 0,
+    "import/extensions": 0,
+    "import/no-extraneous-dependencies": 0,
+    "import/no-unresolved": 0,
+    "jsx-a11y/anchor-is-valid":0,
+    "jsx-a11y/no-static-element-interactions": 0,
+    "no-param-reassign": 0,
+    "no-plusplus": 0,
+    "object-curly-newline": 0,
+    "react/destructuring-assignment": 0,
+    "react/jsx-filename-extension": [1, { "extensions": [".js", ".jsx"] }],
+    "react/no-multi-comp": 0,
+    "react/prefer-stateless-function": 0,
+    "react/prop-types": 0,
+    "react/sort-comp": 0
+  }
+}