uncollapse data types support doc by default

Author: SockworkOrange

docs/04_Postgres.md

@@ -12,7 +12,7 @@ data type that can have a unique constraint.
 Implemented via the `COPY FROM` command which can load binary data directly from `stdin`.
 </details>
 
-<details>
+<details open>
 <summary>Supported Data Types</summary>
 
 Since in batch insert the data is not validated by the SQL itself but written in a binary format, 

docs/05_MySql.md

@@ -34,7 +34,7 @@ Requires us to first save the input batch as a CSV, and then load it via the dri
 
 </details>
 
-<details>
+<details open>
 <summary>Supported Data Types</summary>
 
 Since in batch insert the data is not validated by the SQL itself but written and read from a CSV,

docs/06_Sqlite.md

@@ -25,7 +25,7 @@ INSERT INTO tab1 (field1, field2) VALUES
 
 </details>
 
-<details>
+<details open>
 <summary>Supported Data Types</summary>
 
 | DB Type | Supported? |