feat(providers): add Claude Code CLI provider

- implement `ClaudeCodeProvider` using `claude -p` with plain text output
- register `claudecode` as a new provider enum option in package.json
- add `enumDescriptions` for all provider choices
- update API key description to note it is not required for Claude Code
- bump version to 1.1.5

package-lock.json

@@ -1,12 +1,12 @@
 {
   "name": "zemit",
-  "version": "1.1.4",
+  "version": "1.1.5",
   "lockfileVersion": 3,
   "requires": true,
   "packages": {
     "": {
       "name": "zemit",
-      "version": "1.1.4",
+      "version": "1.1.5",
       "license": "GPL-3.0-only",
       "devDependencies": {
         "@types/node": "^18.0.0",