Bugfix/increase tokens (#132)

* feat(api.ts): add support for OPENAI_MAX_TOKENS environment variable
feat(config.ts): add OPENAI_MAX_TOKENS to CONFIG_KEYS and configValidators

* 2.0.2

* 2.0.3

* docs(README.md): add GPT-4 usage instructions and mention the cost difference compared to GPT-3.5-turbo

---------

Co-authored-by: di-sukharev <dim.sukharev@gmail.com>

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "opencommit",
-  "version": "2.0.1",
+  "version": "2.0.0",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "opencommit",
-      "version": "2.0.1",
+      "version": "2.0.0",
       "license": "MIT",
       "dependencies": {
         "@clack/prompts": "^0.6.1",
@@ -22,6 +22,7 @@
       },
       "bin": {
         "oc": "out/cli.cjs",
+        "oco": "out/cli.cjs",
         "opencommit": "out/cli.cjs"
       },
       "devDependencies": {