added readme and license

LICENSE

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+MIT License
+
+Copyright (c) 2021 Emmanuel Lampe
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in all
+copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
+SOFTWARE.

README.md

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+# NickAPI
+
+[![MIT License](https://img.shields.io/apm/l/atomic-design-ui.svg?)](https://github.com/tterb/atomic-design-ui/blob/master/LICENSEs)
+
+A nick api on packet level with fully support for uuid, skin or username change. Everything happens clientside and with
+the functionality to declare filters, to check if the target will see the fake identity.
+
+## Features
+
+- UUID, username and skin seperated can be set
+- Everything based on Reflection - Multi version support
+- without Dependencies - uses [TinyProtocol](https://github.com/dmulloy2/ProtocolLib)
+
+## Usage
+
+You can find a implementation for the
+NickAPI [here](plugin/src/main/java/eu/miopowered/nickapi/plugin/NickPluginImplementationTest.java).
+
+## Installation
+
+### Gradle
+
+```groovy
+maven {
+    name "miopowered-repo"
+    url "https://repo.miopowered.eu/releases"
+}
+
+dependencies {
+    implementation('eu.miopowered.nickapi:api:1.0')
+}
+```
+
+### Maven
+
+```xml
+
+<repository>
+    <id>miopowered-repo</id>
+    <url>https://repo.miopowered.eu/releases</url>
+</repository>
+
+<dependency>
+    <groupId>eu.miopowered.nickapi</groupId>
+    <artifactId>api</artifactId>
+    <version>1.0</version>
+</dependency>
+```
+
+## Proof of concept
+
+You also can find my proof of concept [here](plugin/src/main/java/eu/miopowered/nickapi/plugin/NickPlugin.java).
+
+## Known issues
+
+- Before quiting as nicked, you need to remove him from the tab via
+
+``NickUpdater#removeFromTab(nickUser.viewers(), nickUser.fakeIdentity().uniqueId())``
+
+- Not possible that the player can see this fake skin
+
+## License
+
+[MIT](LICENSE)