feat: add support for .opencommitignore file (#22)

* feat: add support for .opencommitignore

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "opencommit",
-  "version": "1.1.11",
+  "version": "1.1.16",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "opencommit",
-      "version": "1.1.11",
+      "version": "1.1.16",
       "license": "ISC",
       "dependencies": {
         "@clack/prompts": "^0.6.1",
@@ -14,6 +14,7 @@
         "chalk": "^5.2.0",
         "cleye": "^1.3.2",
         "execa": "^7.0.0",
+        "ignore": "^5.2.4",
         "ini": "^3.0.1",
         "inquirer": "^9.1.4",
         "openai": "^3.2.1"
@@ -1880,7 +1881,6 @@
       "version": "5.2.4",
       "resolved": "https://registry.npmjs.org/ignore/-/ignore-5.2.4.tgz",
       "integrity": "sha512-MAb38BcSbH0eHNBxn7ql2NH/kX33OkB3lZ1BNdh7ENeRChHTYsTvWrMubiIAMNS2llXEEgZ1MUOBtXChP3kaFQ==",
-      "dev": true,
       "engines": {
         "node": ">= 4"
       }