feat: add PR support (#49)

* feat: add PR support

* add debug steps

* fix: use console

* fix: fix buil error

* [auto] build: update compiled version

* fix: better branch handling

* [auto] build: update compiled version

* chore: remove debug steps

* fix: fetch author using GitHub API when in PR

* [auto] build: update compiled version

* feat: extend API functionality to non-PR runs

* [auto] build: update compiled version

package.json

@@ -26,7 +26,8 @@
   },
   "homepage": "https://github.com/EndBug/add-and-commit#readme",
   "dependencies": {
-    "@actions/core": "^1.1.3"
+    "@actions/core": "^1.1.3",
+    "axios": "^0.19.2"
   },
   "devDependencies": {
     "@types/node": "^12.7.12",