📝 docs: update README with Gitea setup and fix skill validation

Update project README.md:

- Add Gitea Integration section

- Document Gitea client skill setup instructions

- Provide usage examples for monitoring CI/CD jobs

Fix skill creator validation script:

- Fix grep command for consecutive hyphens check

- Fix description extraction logic

- Improve error handling for skill validation

These changes support the new Gitea client skill and improve

the skill creation/validation workflow.

.vibe/skills/skill_creator/scripts/validate_skill.sh

@@ -40,13 +40,13 @@ if [[ "$SKILL_NAME" == -* ]] || [[ "$SKILL_NAME" == *- ]]; then
 fi
 
 # Check name doesn't contain consecutive hyphens
-if echo "$SKILL_NAME" | grep -q "--"; then
+if echo "$SKILL_NAME" | grep -q -e "--"; then
     echo "ERROR: Skill name cannot contain consecutive hyphens"
     exit 1
 fi
 
 # Check description length (1-1024 characters)
-DESCRIPTION=$(grep -A 1 "^description:" "$1/SKILL.md" | tail -1 | tr -d ' ')
+DESCRIPTION=$(grep "^description:" "$1/SKILL.md" | cut -d " " -f 2-)
 DESCRIPTION_LENGTH=${#DESCRIPTION}
 
 if [ "$DESCRIPTION_LENGTH" -lt 1 ] || [ "$DESCRIPTION_LENGTH" -gt 1024 ]; then