chore: add README and LICENSE

LICENSE

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+MIT License
+
+Copyright (c) 2021 snakewiz
+
+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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+# cfx-appearance
+
+A flexible player customization script for FiveM.
+
+**Features**
+
+- Freemode ped full customization (head blend, face features, head overlays, components, props)
+- Default data structure for player / ped appearance
+- Camera control
+
+## Usage
+
+1. Clone the repository into your `resources/[local]` folder.
+2. Install both client and interface dependencies, `cd typescript` / `cd ui`, `yarn` to install, then `yarn build`.
+3. Start development.
+
+This is a development resource, if you don't use the exports the resource itself will do nothing.
+
+**Client Exports**
+
+| Export                   | Parameters                                              |
+| ------------------------ | ------------------------------------------------------- |
+| startPlayerCustomization | currentAppearance? (PedAppearance), callback (function) |
+| setPlayerAppearance      | appearance (PedAppearance)                              |
+| setPedAppearance         | appearance (PedAppearance)                              |
+
+**Examples**
+
+Start player customization with callback (TypeScript)
+
+```typescript
+const exp = (global as any).exports;
+
+exp["cfx-appearance"].startPlayerCustomization((appearance) => {
+  if (appearance) {
+    console.log("Customization saved");
+    emitNet("genericSaveAppearanceDataServerEvent", JSON.stringify(appearance));
+  } else {
+    console.log("Customization canceled");
+  }
+});
+```
+
+Set player appearance (TypeScript)
+
+```typescript
+const exp = (global as any).exports;
+
+onNet("genericPlayerAppearanceLoadedServerEvent", (appearance) => {
+  exp["cfx-appearance"].setPlayerAppearance(appearance);
+});
+```
+
+## Credits
+
+- root-cause for providing some of the customization data
+- xIAlexanderIx for the code style inspiration