README: document mapping file syntax
authorFelix Fietkau <nbd@nbd.name>
Wed, 3 Nov 2021 14:36:37 +0000 (15:36 +0100)
committerFelix Fietkau <nbd@nbd.name>
Wed, 3 Nov 2021 14:36:37 +0000 (15:36 +0100)
commit3ed8c3eb1a3b52d8ed0ec8588c30b82adec85247
tree2e9016b607b1f851e93a167c1eb55e979ae0839c
parent5fc91183d60a85a462715b80632c77732a348016
README: document mapping file syntax

Signed-off-by: Felix Fietkau <nbd@nbd.name>
README