feat(milestones): add new options to exempt all milestones (#291)

* refactor: move and rename the interfaces/classes

closes #272

* docs: update the readme and action to describe the new options for milestones

* refactor: split the tests into multiple files

* feat(milestones): add new options to exempt all milestones

* test: add coverage for the default values

* test(milestones): add more coverage (wip)

* test(milestones): add more coverage for the multiple exempt milestones

* test: reduce duplicated code

* test: change some describes

* test: add more coverage

* test: add more coverage

* test: add final coverage

* build(tsc): add missing project flag to build with the right tsconfig

* test(milestones): use each to reduce the complexity of the tests

* chore: fix an eslint issue with prettier on windows

the end of line was wrong each time the os process the files

* docs: move the contribution section to a dedicated file

add more content to help the debug

* chore: make sure the rebase is ok

__tests__/constants/default-processor-options.ts

@@ -0,0 +1,36 @@
+import {IIssuesProcessorOptions} from '../../src/interfaces/issues-processor-options';
+
+export const DefaultProcessorOptions: IIssuesProcessorOptions = Object.freeze({
+  repoToken: 'none',
+  staleIssueMessage: 'This issue is stale',
+  stalePrMessage: 'This PR is stale',
+  closeIssueMessage: 'This issue is being closed',
+  closePrMessage: 'This PR is being closed',
+  daysBeforeStale: 1,
+  daysBeforeIssueStale: NaN,
+  daysBeforePrStale: NaN,
+  daysBeforeClose: 30,
+  daysBeforeIssueClose: NaN,
+  daysBeforePrClose: NaN,
+  staleIssueLabel: 'Stale',
+  closeIssueLabel: '',
+  exemptIssueLabels: '',
+  stalePrLabel: 'Stale',
+  closePrLabel: '',
+  exemptPrLabels: '',
+  onlyLabels: '',
+  operationsPerRun: 100,
+  debugOnly: true,
+  removeStaleWhenUpdated: false,
+  ascending: false,
+  skipStaleIssueMessage: false,
+  skipStalePrMessage: false,
+  deleteBranch: false,
+  startDate: '',
+  exemptMilestones: '',
+  exemptIssueMilestones: '',
+  exemptPrMilestones: '',
+  exemptAllMilestones: false,
+  exemptAllIssueMilestones: undefined,
+  exemptAllPrMilestones: undefined
+});