fix: remove conventional commits styling from response format requirements

Author: codevogel

defaults/prompts/conventional-commits/default.md

@@ -13,6 +13,7 @@ You are an expert at creating git commit messages according to the Conventional
   ```
 
 - Make sure to follow Conventional Commits:
+  - A header is REQUIRED and must follow the format: `<required type>(<optional scope>): <required description>`
   - type MUST match one of the types provided
   - scope is OPTIONAL
   - breaking changes can be indicated with ! in header or BREAKING CHANGE in footer

src/lib/load_vars_map.sh

@@ -48,7 +48,7 @@ load_vars_map() {
 
 ```yaml
 commitMessages:
-  - header: "<type>[optional scope]: <description>"
+  - header: "<required header>"
     body: "<optional body>"
     footer: "<optional footer>"
     score: <integer 0-100 representing confidence that this is the best commit message>