Add GitHub integration service and tests

Introduces a GitHubService class for interacting with the GitHub API, including methods for app installation, issue creation, and Copilot assignment. Adds related environment variables to .env.sample and type definitions to env.d.ts. Updates dependencies to include @octokit/rest, @octokit/types, and jsonwebtoken v9.0.3. Provides comprehensive tests for the new integration.

Author: neSpecc

.env.sample

@@ -51,13 +51,13 @@ GITHUB_CLIENT_ID=fakedata
 GITHUB_CLIENT_SECRET=fakedata
 
 ## Hawk API public url (used in OAuth to redirect to callback, should match OAuth app callback URL)
-API_URL=http://127.0.0.1:4000
+API_URL=http://localhost:4000
 
 ## Garage url
-GARAGE_URL=http://127.0.0.1:8080
+GARAGE_URL=http://localhost:8080
 
 ## Garage login url
-GARAGE_LOGIN_URL=http://127.0.0.1:8080/login
+GARAGE_LOGIN_URL=http://localhost:8080/login
 
 ## Hawk Catcher token from hawk.so
 HAWK_CATCHER_TOKEN=
@@ -93,3 +93,42 @@ SSO_SP_ENTITY_ID=urn:hawk:tracker:saml
 
 ## SAML state store type (memory or redis, default: redis)
 SAML_STORE_TYPE=redis
+
+# String generated when we create GitHub App, see task-managers-integration-implementation-plan.md -> 2.1.1
+GITHUB_WEBHOOK_SECRET=623f6ed30b1f762803149893263a95cc2687fe3ce5a9f30648dcbf25712afc9e
+
+# Id of GitHub app
+GITHUB_APP_ID=1234567
+
+# GitHub App slug/name. Used to generate installation URLs
+GITHUB_APP_SLUG=hawk-tracker-app;
+
+# Private key generated in GitHub app settings
+GITHUB_PRIVATE_KEY="-----BEGIN RSA PRIVATE KEY-----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+AmRaC5rz1MkHPI8umQztp3XAy0QucV4ERAb9a59S7LBsFwQgel96xjNeYL++sVSF
+yBoojUGk2TSdAbrTa/qDaEECgYBCrqD5gBq7M+pjEew2CMbZEmyI07Vbh55QrTrd
+AnoRgLdpsWZ4O6D7J7qwEMLZzePMDjwZTxHBbPl1R/tYKSrHpR9x1XWo+ShUXNg6
+S/LFaTnNo0pxkrimM6ssOfyP6m9lqlenB/61OKartJPgHf9+60hRFNSF933mEp5F
+KHFv9wKBgQCXaVz5sgtcWgkQYSn4XTwSYKaeYww4hnIel30pASrLujQ9FubAvdjZ
+apxW9AHmx4aVRrmcIPq/BlMc6lGIgx2IwMBvJVpHVeUOUMAfNMRZV0XjY715xEyW
+U/uCfmCh8rfyQ75rthD4mGzNmHBpWrP/bD3c/vdj0wAxFXVyR5bG/Q==
+-----END RSA PRIVATE KEY-----"
+

package.json

@@ -20,6 +20,7 @@
     "test:integration:down": "docker compose -f docker-compose.test.yml down --volumes"
   },
   "devDependencies": {
+    "@octokit/types": "^16.0.0",
     "@shelf/jest-mongodb": "^6.0.2",
     "@swc/core": "^1.3.0",
     "@types/jest": "^26.0.8",
@@ -46,6 +47,7 @@
     "@hawk.so/types": "^0.4.2",
     "@n1ru4l/json-patch-plus": "^0.2.0",
     "@node-saml/node-saml": "^5.0.1",
+    "@octokit/rest": "^22.0.1",
     "@types/amqp-connection-manager": "^2.0.4",
     "@types/debug": "^4.1.5",
     "@types/escape-html": "^1.0.0",
@@ -76,7 +78,7 @@
     "graphql-scalars": "^1.17.0",
     "graphql-type-json": "^0.3.0",
     "graphql-upload": "^13",
-    "jsonwebtoken": "^8.5.1",
+    "jsonwebtoken": "^9.0.3",
     "lodash": "^4.17.15",
     "lodash.clonedeep": "^4.5.0",
     "lodash.mergewith": "^4.6.2",