Add usage section and config reference

README.md

@@ -47,6 +47,21 @@ Rename in place (no network lookups):
 mov-renamarr --input /path/to/in --rename-in-place --no-lookup
 ```
 
+## Usage :keyboard:
+```
+mov-renamarr --input <dir> --output <dir> [flags]
+```
+
+Common flags:
+- `--move` or `--rename-in-place` (default is copy)
+- `--provider auto|tmdb|omdb|both`
+- `--no-lookup` (skip external lookups)
+- `--report [path]` and `--report-format text|json|csv`
+- `--sidecars` (copy/move subtitle/nfo/etc files)
+- `--quality-tags resolution,codec,source`
+- `--min-score 0-100` (match threshold)
+- `--jobs auto|N` and `--net-jobs auto|N`
+
 ## Configuration :gear:
 Default config location:
 `$XDG_CONFIG_HOME/mov-renamarr/config.toml` (fallback `~/.config/mov-renamarr/config.toml`)
@@ -68,6 +83,7 @@ Key options (TOML):
 - `sidecars = false` (copy/move sidecars when true)
 
 CLI flags override config, and env vars override config as well.
+Full reference: `docs/CONFIG.md`
 
 ## Providers :globe_with_meridians:
 - **TMDb**: preferred when available. Supports API key or read-access bearer token.