test,docs: add coverage minimum, correct shields.io badges

README.md

@@ -1,7 +1,7 @@
 # Vectormath
 
-![build](https://img.shields.io/travis/ngfelixl/vectormath.svg)
-![coverage](https://img.shields.io/coveralls/:vcsType/ngfelixl/vectormath.svg)
+![build](https://travis-ci.org/ngfelixl/vectormath.svg?branch=master)
+[![Coverage Status](https://coveralls.io/repos/github/ngfelixl/vectormath/badge.svg?branch=master)](https://coveralls.io/github/ngfelixl/vectormath?branch=master)
 ![license](https://img.shields.io/npm/l/vectormath.svg)
 [![code style: prettier](https://img.shields.io/badge/code_style-prettier-ff69b4.svg?style=flat-square)](https://github.com/prettier/prettier)
 
@@ -167,3 +167,13 @@ free to contribute. You are very welcome.
 Contributions and new ideas are very welcome.
 
 ## 5 Get in touch
+
+[![twitter](https://img.shields.io/badge/twitter-%40ngfelixl-blue.svg?logo=twitter)](https://twitter.com/intent/follow?screen_name=ngfelixl)
+[![github](https://img.shields.io/badge/github-%40ngfelixl-blue.svg?logo=github)](https://github.com/ngfelixl)
+
+Hi, I am Felix,
+Angular and NgRX contributor
+
+![avatar](https://avatars2.githubusercontent.com/u/24190530?s=200&v=4)
+
+If you like this library, think about giving it a star or follow me on twitter or github.

jestconfig.json

@@ -4,5 +4,13 @@
   },
   "testRegex": "(/__tests__/.*|(\\.|/)(test|spec))\\.(jsx?|tsx?)$",
   "moduleFileExtensions": ["ts", "tsx", "js", "jsx", "json", "node"],
-  "testEnvironment": "node"
+  "testEnvironment": "node",
+  "coverageThreshold": {
+    "global": {
+      "branches": 80,
+      "functions": 80,
+      "lines": 80,
+      "statements": 80
+    }
+  }
 }