docs: remove swagger documentation

.gitignore

.vscode/settings.json

docs/favicon-16x16.png

docs/favicon-32x32.png

docs/index.css

docs/index.html

docs/swagger-initializer.js

docs/swagger-ui-bundle.js

docs/swagger-ui-standalone-preset.js

docs/swagger-ui.css

internal/models/customPopup.go

internal/models/grdfConsent.go

internal/models/mailSubject.go

internal/models/monthlyInfo.go

internal/models/monthlyNews.go

internal/models/monthlyReport.go

internal/models/partnersInfo.go

internal/models/poll.go

internal/models/price.go

internal/models/sgeConsent.go