feat: add __IS_ALPHA__ env in webpack config

.vscode/settings.json

app.config.alpha.js

app.config.environment.alpha.js

app.config.environment.dev.js

app.config.environment.prod.js

app.config.js

app.config.services.alpha.js

app.config.services.js

src/components/Feedback/FeedbackModal.spec.tsx

src/components/Feedback/FeedbackModal.tsx

src/components/Home/ConsumptionView.tsx

src/components/Onboarding/WelcomeModal.spec.tsx

src/components/Onboarding/WelcomeModal.tsx

src/services/environement.service.spec.ts

src/services/environment.service.ts

src/services/partnersInfo.service.spec.ts

src/services/partnersInfo.service.ts

src/styles/index.css

src/targets/services/aggregatorUsageEvents.ts

src/targets/services/consumptionAlert.ts