Update create-package to handle all whitespace characters in sanitization

.gitignore

@@ -1 +1,3 @@
-.vscode/**
+.vscode/**
+my-repo*
+test-*

README.md

@@ -26,6 +26,8 @@ echo "My Tool" | ./create-package
 
 Package names are automatically sanitized:
 - Converted to lowercase
+- Any run of whitespace characters (spaces, tabs, etc.) is replaced with a single dash
+- All other special characters are removed (only `[a-z0-9-]` are retained)
 - Spaces and underscores are replaced with dashes
 - Only `[a-z0-9-]` characters are retained (letters, numbers, dashes)
 - Multiple consecutive dashes are collapsed into one
@@ -37,6 +39,11 @@ Package names are automatically sanitized:
 # Creates: my-tool/my-tool
 ./create-package "My Tool"
 
+# Creates: my-repo/my-repo
+./create-package "my repo"
+
+# Creates: my-repo2/my-repo2
+./create-package "my  ^ repo2"
 # Creates: hello-world/hello-world
 echo "Hello_World" | ./create-package
 

create-package

@@ -37,12 +37,14 @@ fi
 
 # Sanitize the package name:
 # 1. Convert to lowercase
+# 2. Replace any run of whitespace characters with a single dash
 # 2. Replace spaces and underscores with dashes
 # 3. Remove any characters that are not [a-z0-9-]
 # 4. Collapse multiple consecutive dashes into one
 # 5. Remove leading/trailing dashes
 sanitized=$(echo "$package_name" | \
   tr '[:upper:]' '[:lower:]' | \
+  sed 's/[[:space:]]\+/-/g' | \
   tr ' _' '-' | \
   sed 's/[^a-z0-9-]//g' | \
   sed 's/-\+/-/g' | \