doc: Prepared reamde.md delete clutter

Author: harazdovskiy

README.md

@@ -17,18 +17,26 @@ import {start} from '@shelf/postgres-local';
 
 await start({
   seedPath: "schema.sql",
-  version: 14
+  version: 14,
+  port: 5555,
+  includeInstallation: true
 });
 ```
+ - `seedPath` - absolute path to sql file with commands that will set up db structure before tests
+ - `includeInstallation`
+   - when this flag is `true` (default) macOS will run `brew install` and linux `apt install` to make sure `postgres` is installed
+   - when false - package omit installing postgres and relly that it is already in place
 
 ### 2. Stop Postgres
 
 ```js
 import {stop} from '@shelf/postgres-local';
 
-await stop(14);
+await stop({version: 14});
 ```
 
+
+
 ## Publish
 
 ```sh

jest-postgres-config.js

@@ -3,4 +3,6 @@ import cwd from 'cwd';
 module.exports = {
   seedPath: `${cwd()}/test/seed.sql`,
   version: 14,
+  port: 5555,
+  includeInstallation: true,
 };

src/index.ts

@@ -44,8 +44,8 @@ export async function start(options: {
   }
 }
 
-export function stop({version = 14}: {version?: number; useSudo?: boolean}): any {
-  return spawnSync(getStopScript({version}), {
+export function stop({version = 14}: {version?: number}): void {
+  spawnSync(getStopScript({version}), {
     stdio: 'inherit',
     shell: true,
   });