diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..c340881
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,16 @@
+# build/test artifacts
+.DS_Store
+__pycache__/
+*.pyc
+*.pyo
+build/
+*.egg-info/
+*.dist-info/
+*.whl
+logs/
+*.log
+.idea/
+~$*
+models/mysql.ddl.sql
+*.pid
+init/
diff --git a/models/flow_definitions.xlsx b/models/flow_definitions.xlsx
index 0784a0a..9a30d5c 100644
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diff --git a/models/user_delegations.xlsx b/models/user_delegations.xlsx
index 0784a0a..02b38e2 100644
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diff --git a/models/~$flow_definitions.xlsx b/models/~$flow_definitions.xlsx
deleted file mode 100644
index 5a93205..0000000
Binary files a/models/~$flow_definitions.xlsx and /dev/null differ