Switch to Cranko for versioning.

.config/cranko/bootstrap.toml

@@ -0,0 +1,13 @@
+[[project]]
+qnames = [
+    'pywwt',
+    'pypa',
+]
+version = '0.9.0'
+
+[[project]]
+qnames = [
+    'pywwt',
+    'npm',
+]
+version = '0.9.0'

.config/cranko/config.toml

@@ -0,0 +1,5 @@
+[repo]
+upstream_urls = [
+  'git@github.com:WorldWideTelescope/pywwt.git',
+  'https://github.com/WorldWideTelescope/pywwt.git',
+]

frontend/package.json

@@ -38,5 +38,5 @@
     "clean": "shx rm -rf dist",
     "pywwt-export": "npm run build && npm pack && node pywwt-export.js"
   },
-  "version": "0.9.0"
+  "version": "0.0.0-dev.0"
 }

pywwt/_version.py

@@ -1,4 +1,4 @@
-version_info = (0, 9, 0, 'final', 0)  # cranko project-version tuple
+version_info = (0, 0, 0, 'dev', 0)  # cranko project-version tuple
 
 _specifier_ = {'alpha': '.a', 'beta': '.b', 'candidate': '.rc', 'final': '', 'dev': '.dev'}