fix(readme): added badges and small improvements

[force-release]

.markdownlint.json

@@ -0,0 +1,4 @@
+{
+    "MD033": false,
+    "MD013": false
+}

README.md

@@ -1,11 +1,35 @@
 # speed-to-semitones
 
-calculate semitones from audio speed
+> calculate semitones from audio speed
+
+<p>
+    <a href="https://github.com/bamdadsabbagh/speed-to-semitones">
+        <img alt="github stars" src="https://img.shields.io/github/stars/bamdadsabbagh/speed-to-semitones">
+    </a>
+    <img alt="license" src="https://img.shields.io/github/license/bamdadsabbagh/speed-to-semitones">
+</p>
+
+<p>
+    <img alt="languages used" src="https://img.shields.io/github/languages/count/bamdadsabbagh/speed-to-semitones">
+    <img alt="language most used" src="https://img.shields.io/github/languages/top/bamdadsabbagh/speed-to-semitones">
+</p>
+
+<p>
+    <img alt="release version" src="https://img.shields.io/github/v/release/bamdadsabbagh/speed-to-semitones">
+    <img alt="code climate" src="https://api.codeclimate.com/v1/badges/e9b9fa29e994f3006aa4/maintainability" />
+    <img alt="codecov" src="https://img.shields.io/codecov/c/github/bamdadsabbagh/speed-to-semitones">
+</p>
+
+<p>
+    <img alt="dependencies" src="https://img.shields.io/david/bamdadsabbagh/speed-to-semitones">
+    <img alt="dev dependencies" src="https://img.shields.io/david/dev/bamdadsabbagh/speed-to-semitones">
+    <img alt="snyk vulnerabilities" src="https://img.shields.io/snyk/vulnerabilities/github/bamdadsabbagh/speed-to-semitones">
+</p>
 
 ## parameters
 
-- `speed` number
-- `digits` number, optional, between `0` and `20`
+1. `speed` number
+2. `digits` number, optional, between `0` and `20`
 
 ## examples