feat: Add basic support for rich parameters to coderd and provisionerd (#5710)

coderd/database/queries/workspacebuildparameters.sql

@@ -0,0 +1,16 @@
+-- name: InsertWorkspaceBuildParameters :exec
+INSERT INTO
+    workspace_build_parameters (workspace_build_id, name, value)
+SELECT
+    @workspace_build_id :: uuid AS workspace_build_id,
+    unnest(@name :: text[]) AS name,
+    unnest(@value :: text[]) AS value
+RETURNING *;
+
+-- name: GetWorkspaceBuildParameters :many
+SELECT
+    *
+FROM
+    workspace_build_parameters
+WHERE
+    workspace_build_id = $1;