Add GitHub OAuth integration and token management

Introduces GitHub OAuth flow for user-to-server tokens, including endpoints for handling OAuth callbacks and exchanging codes for tokens. Updates the GitHub service to support OAuth code exchange, token validation, and refresh, and adds required environment variables for client ID and secret. Updates dependencies to support new OAuth methods and expands the project model to store task manager configuration.

Author: neSpecc

.env.sample

@@ -100,6 +100,9 @@ GITHUB_WEBHOOK_SECRET=623f6ed30b1f762803149893263a95cc2687fe3ce5a9f30648dcbf2571
 # Id of GitHub app
 GITHUB_APP_ID=1234567
 
+# Client ID of GitHub app
+GITHUB_APP_CLIENT_ID=Iv23li65HEIkWZXsm6qO
+
 # GitHub App slug/name. Used to generate installation URLs
 GITHUB_APP_SLUG=hawk-tracker-app
 
@@ -132,3 +135,5 @@ apxW9AHmx4aVRrmcIPq/BlMc6lGIgx2IwMBvJVpHVeUOUMAfNMRZV0XjY715xEyW
 U/uCfmCh8rfyQ75rthD4mGzNmHBpWrP/bD3c/vdj0wAxFXVyR5bG/Q==
 -----END RSA PRIVATE KEY-----"
 
+# Generated in GitHub app settings
+GITHUB_APP_CLIENT_SECRET=0663e20d484234e17b0871c1f070581739c14e04

package.json

@@ -27,7 +27,7 @@
     "eslint": "^6.7.2",
     "eslint-config-codex": "1.2.4",
     "eslint-plugin-import": "^2.19.1",
-    "jest": "^27.6.0",
+    "jest": "^30.2.0",
     "mongodb-memory-server": "^6.6.1",
     "nodemon": "^2.0.2",
     "redis-mock": "^0.56.3",
@@ -43,9 +43,10 @@
     "@graphql-tools/schema": "^8.5.1",
     "@graphql-tools/utils": "^8.9.0",
     "@hawk.so/nodejs": "^3.1.1",
-    "@hawk.so/types": "^0.4.2",
+    "@hawk.so/types": "^0.5.6",
     "@n1ru4l/json-patch-plus": "^0.2.0",
     "@node-saml/node-saml": "^5.0.1",
+    "@octokit/oauth-methods": "^4.0.0",
     "@octokit/rest": "^22.0.1",
     "@octokit/types": "^16.0.0",
     "@types/amqp-connection-manager": "^2.0.4",