Remove Hardcoded URLs

[wp99cp]

Add them to an environment file:

qr-code-generator/frontend/src/app/app.component.ts

Lines 26 to 30 in b866144

	fetch('http://localhost:5080/png', {
	method: 'POST',
	headers: { 'Content-Type': 'application/json' },
	body: JSON.stringify(settings),
	})

and

qr-code-generator/frontend/src/app/app.component.ts

Lines 39 to 43 in b866144

	fetch('http://localhost:5080/svg', {
	method: 'POST',
	headers: { 'Content-Type': 'application/json' },
	body: JSON.stringify(settings),
	})