bump: increment version 0.6.3 -> 0.6.4 (#73)

Automated version bump to 0.6.4.

Merging will trigger automatic tagging of v0.6.4.

---------

Co-authored-by: github-actions[bot] <github-actions[bot]@users.noreply.github.com>
Co-authored-by: Dave Forgac <tylerdave@tylerdave.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -1,3 +1,12 @@
+## v0.6.4 (2026-03-22)
+
+### Minor / Bug Fixes
+
+- add support for multiple URL styles (#72)
+  - Note: this change collapses sequential dashes in URLs (`---` becomes `-`). Use `slug` in frontmatter to explicitly override file URL.
+- add subtitle support + nav fixes (#71)
+- add configurable content padding (#70)
+
 ## v0.6.3 (2026-03-20)
 
 ### Minor / Bug Fixes

pyproject.toml

@@ -1,6 +1,6 @@
 [project]
 name = "rockgarden"
-version = "0.6.3"
+version = "0.6.4"
 description = "Static site generator for Markdown content with Obsidian support"
 readme = "README.md"
 authors = [
@@ -76,7 +76,7 @@ filterwarnings = ["ignore::DeprecationWarning:frontmatter"]
 
 [tool.commitizen]
 name = "cz_conventional_commits"
-version = "0.6.3"
+version = "0.6.4"
 version_files = [
     "pyproject.toml:^version",
     "src/rockgarden/__init__.py:^__version__",

src/rockgarden/__init__.py

@@ -1,3 +1,3 @@
 """rockgarden - Obsidian-compatible static site generator."""
 
-__version__ = "0.6.3"
+__version__ = "0.6.4"