docs: fixed table formatting

Signed-off-by: Cleberson Saller <[email protected]>

Author: csaller

README.md

@@ -138,7 +138,7 @@ $ TAILSCALE_USE_WIP_CODE=1 TS_AUTHKEY={YOUR_TAILSCALE_AUTHKEY} TSNET_FORCE_LOGIN
 The `tsidp-server` is configured by several command-line flags:
 
 | Flag                    | Description                                                                                        | Default  |
-| ----------------------- | -------------------------------------------------------------------------------------------------- | -------- |
+|-------------------------|----------------------------------------------------------------------------------------------------|----------|
 | `-dir <path>`           | Directory path to save tsnet and tsidp state. Recommend to be set.                                 | `""`     |
 | `-hostname <hostname>`  | hostname on tailnet. Will become `<hostname>.your-tailnet.ts.net`                                  | `idp`    |
 | `-port <port>`          | Port to listen on                                                                                  | `443`    |
@@ -172,7 +172,7 @@ The Docker image exposes the CLI flags through environment variables. If omitted
 > [!NOTE] > `TS_STATE_DIR` and `TS_HOSTNAME` are legacy names. These will be replaced by `TSIDP_STATE_DIR` and `TSIDP_HOSTNAME` in the future.
 
 | Environment Variable                     | CLI flag                   |
-| ---------------------------------------- | -------------------------- |
+|------------------------------------------|----------------------------|
 | `TS_STATE_DIR=<path>` _\*note prefix_    | `-dir <path>`              |
 | `TS_HOSTNAME=<hostname>` _\*note prefix_ | `-hostname <hostname>`     |
 | `TSIDP_PORT=<port>`                      | `-port <port>`             |