Add docs

Author: badgley

docs/data-access.md

@@ -0,0 +1,20 @@
+# Download OffsetsDB
+
+## CSV 
+
+Download the latest version of OffsetsDB in csv:
+
+- [Download Credits](TK)
+- [Download Projects](https://youtu.be/dQw4w9WgXcQ)
+
+## Parquet
+Download the latest version of OffsetsDB in parquet:
+
+- [Download Credits](TK)
+- [Download Projects](https://youtu.be/dQw4w9WgXcQ)
+
+You can also use parquet to access the full archive of OffsetsDB, representing the full history of the produciton of OffsetsDB:
+
+```python
+# TK an example of how we want folks to work with archive data
+```