Initial commit: Charge Billed Automation bot

Waystar Charge Billed Report bot. Reads CMS-1500 claim PDFs from the
text layer (src/cms1500_text.py) instead of Google Document AI.
Dependencies managed with uv (Python 3.12). Secrets, PHI and build
output are git-ignored.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

.gitignore

@@ -0,0 +1,18 @@
+# Secrets: Google key, Waystar login and security answers
+.env/
+Input/
+
+# PHI: claim PDFs, reports, logs, crash screenshots, payment export
+Output/
+Screenshots/
+output.csv
+
+# Python / tools
+.venv*/
+__pycache__/
+.pytest_cache/
+
+# PyInstaller build output
+src/build/
+src/dist/
+build_log.txt