adds README

README.md

@@ -0,0 +1,47 @@
+# ValidationManager
+[![](https://jitpack.io/v/serhatleventyavas/ValidationManager.svg)](https://jitpack.io/#serhatleventyavas/ValidationManager)
+
+ValidationManager library allow to us that check phone number easily.
+### Features
+- [x] Check phone number
+- [ ] Check email address
+- [ ] Check credit card
+###Setup
+
+------------
+
+### Step 1. Add the JitPack repository to your build file
+Add it in your root build.gradle at the end of repositories:
+```
+allprojects {
+    repositories {
+        ...
+        maven { url 'https://jitpack.io' }
+    }
+}
+```
+### Step 2. Add the dependency
+```
+dependencies {
+	implementation 'com.github.serhatleventyavas:ValidationManager:1.0'
+}
+```
+### Step 3. Get All Countries
+If you want retrieve countries, you can follow below code block.
+```
+val jsonParser: JsonParser = JsonParser(context)
+val jsonArrayResult: JSONArray = jsonParser.readDataFromRawFile()
+val countryList: ArrayList<Country> = jsonParser.parseCountry(jsonArrayResult)
+```
+
+### Step 4. Check Phone Number
+If you want to check phone number by specific country, you can follow below code.
+```
+// for example Turkey country
+val country: Country = countryList[0]
+val result: Boolean = PhoneValidation.validPhoneNumber(country, "+90", "5551231233")
+```
+
+## License
+
+ValidationManager is released under the MIT license. [See LICENSE](https://github.com/serhatleventyavas/ValidationManager/blob/master/LICENSE) for details.