update package readme

Author: xyhp915

logseq-awesome-fonts/README.md

@@ -0,0 +1,23 @@
+## Custom Editor Fonts Sample
+
+🛠 This is a plugin that shows how to define custom appearance of editor and persist settings state.
+
+### Demo
+
+![demo](./demo.gif)
+
+### API
+
+[![npm version](https://badge.fury.io/js/%40logseq%2Flibs.svg)](https://badge.fury.io/js/%40logseq%2Flibs)
+
+##### Logseq
+
+- `provideUI (ui: UIOptions): this`
+- `provideStyle (style: StyleString | StyleOptions): this`
+- `updateSettings (attrs: Record<string, any>): void`
+- `setMainUIInlineStyle (style: CSSStyleDeclaration): void`
+
+### Running the Sample
+
+- `npm install && npm run build` in terminal to install dependencies.
+- `Load unpacked plugin` in Logseq Desktop client.