docs(readme.md): add installation and usage details

and add tags in package.json

Author: shubhamp-sf

.vscode/settings.json

@@ -15,7 +15,6 @@
     "**/.hg": true,
     "**/.svn": true,
     "**/CVS": true,
-    "dist": true,
   },
   "files.insertFinalNewline": true,
   "files.trimTrailingWhitespace": true,

README.md

@@ -1,32 +1,48 @@
 # loopback4-sequelize
 
-[![LoopBack](https://github.com/loopbackio/loopback-next/raw/master/docs/site/imgs/branding/Powered-by-LoopBack-Badge-(blue)-@2x.png)](http://loopback.io/)
+[![LoopBack](<https://github.com/loopbackio/loopback-next/raw/master/docs/site/imgs/branding/Powered-by-LoopBack-Badge-(blue)-@2x.png>)](http://loopback.io/)
 
-## Installation
+This is a loopback 4 extension that provides Sequelize powered repository methods which is more performant than juggler (the default ORM in Loopback) for relational databases.
 
-Install LB4SequelizeComponent using `npm`;
+## Installation
 
 ```sh
-$ [npm install | yarn add] loopback4-sequelize
+npm install loopback4-sequelize
 ```
 
-## Basic Use
+## Usage
+
+The extension can be used in new as well as existing projects. By just changing the parent classes in target Data Source and Repositories.
+
+### Step 1: Configure DataSource
 
-Configure and load LB4SequelizeComponent in the application constructor
-as shown below.
+Change the parent class from `juggler.DataSource` to `SequelizeDataSource` like below.
 
 ```ts
-import {LB4SequelizeComponent, LB4SequelizeComponentOptions, DEFAULT_LOOPBACK4_SEQUELIZE_OPTIONS} from 'loopback4-sequelize';
 // ...
-export class MyApplication extends BootMixin(ServiceMixin(RepositoryMixin(RestApplication))) {
-  constructor(options: ApplicationConfig = {}) {
-    const opts: LB4SequelizeComponentOptions = DEFAULT_LOOPBACK4_SEQUELIZE_OPTIONS;
-    this.configure(LB4SequelizeComponentBindings.COMPONENT).to(opts);
-      // Put the configuration options here
-    });
-    this.component(LB4SequelizeComponent);
-    // ...
-  }
+import {SequelizeDataSource} from 'loopback4-sequelize';
+
+// ...
+export class PgDataSource
+  extends SequelizeDataSource
+  implements LifeCycleObserver {
+  // ...
+}
+```
+
+### Step 2: Configure Repository
+
+Change the parent class from `DefaultCrudRepository` to `SequelizeRepository` like below.
+
+```ts
+// ...
+import {SequelizeRepository} from 'loopback4-sequelize';
+
+export class YourRepository extends SequelizeRepository<
+  YourModel,
+  typeof YourModel.prototype.id,
+  YourModelRelations
+> {
   // ...
 }
 ```

package.json

@@ -4,7 +4,10 @@
   "description": "Loopback 4 extension that provides Sequelize powered repository methods.",
   "keywords": [
     "loopback-extension",
-    "loopback"
+    "loopback",
+    "loopback4-sequelize",
+    "sequelize",
+    "repository"
   ],
   "main": "dist/index.js",
   "types": "dist/index.d.ts",
@@ -30,7 +33,7 @@
   },
   "repository": {
     "type": "git",
-    "url": "https://github.com/shubhamp-sf/loopback4-sequelize-extension"
+    "url": ""
   },
   "author": "Shubham Prajapat <shubham.prajapat@sourcefuse.com>",
   "license": "",