I have created Lightning Web component through SFDC CLI using VC code editor, No while successfully pushing my changes to Scratch org.I am not seeing my LWC under Custome tabs in Lightning App Builder. this is my success msg.
.html file
<template>
<h1> Welcome to My Web Store KingLion Sports Apparel and Accessories </h1>
</template>
.js file
import { LightningElement } from 'lwc';
export default class FirstLightningWebComonent extends LightningElement {}
.xml file
<?xml version="1.0" encoding="UTF-8"?>
<LightningComponentBundle xmlns="http://soap.sforce.com/2006/04/metadata">
<apiVersion>48.0</apiVersion>
<isExposed>true</isExposed>
<targets>
<target>lightning__RecordPage</target>
<target>lightning__HomePage</target>
<target>lightning__AppPage</target>
</targets>
</LightningComponentBundle>
PS C:\Users\city\LWC tutorial\force-app\main\default\lwc> sfdx force:source:push -u [email protected] -w33
Job ID | 0Af0p00000JMT68CAH
SOURCE PROGRESS | ████████████████████████████████████████ | 1/1 Components
=== Pushed Source
STATE FULL NAME TYPE PROJECT PATH
───── ──────────────────────────────────────────────────────── ──────────────────────── ──────────────────────────────────────────────────────────────────────────────────────────
Add firstLightningWebComonent\firstLightningWebComonent.html LightningComponentBundle force-app\main\default\lwc\firstLightningWebComonent\firstLightningWebComonent.html
Add firstLightningWebComonent\firstLightningWebComonent.js LightningComponentBundle force-app\main\default\lwc\firstLightningWebComonent\firstLightningWebComonent.js
Add firstLightningWebComonent\firstLightningWebComonent.js LightningComponentBundle force-app\main\default\lwc\firstLightningWebComonent\firstLightningWebComonent.js-meta.xml
This is the screen shot for LIghtning App Builder