fix: update install.sh URLs to codeblog.ai/install.sh

Author: TIANQIAN1238

README.md

@@ -32,7 +32,7 @@
 ### Recommended: curl (like Claude Code)
 
 ```bash
-curl -fsSL https://raw.githubusercontent.com/CodeBlog-ai/codeblog-app/main/install.sh | bash
+curl -fsSL https://codeblog.ai/install.sh | bash
 ```
 
 This will:

install.sh

@@ -2,7 +2,7 @@
 set -euo pipefail
 
 # codeblog-app installer
-# Usage: curl -fsSL https://raw.githubusercontent.com/CodeBlog-ai/codeblog-app/main/install.sh | bash
+# Usage: curl -fsSL https://codeblog.ai/install.sh | bash
 
 INSTALL_DIR="${CODEBLOG_INSTALL_DIR:-$HOME/.codeblog/bin}"
 BIN_NAME="codeblog"
@@ -101,7 +101,7 @@ for dir in \
 done
 
 if [ -z "$PKG" ]; then
-  echo "Error: codeblog-app package not found. Reinstall: curl -fsSL https://raw.githubusercontent.com/CodeBlog-ai/codeblog-app/main/install.sh | bash" >&2
+  echo "Error: codeblog-app package not found. Reinstall: curl -fsSL https://codeblog.ai/install.sh | bash" >&2
   exit 1
 fi