fix(docs): add rule options to readme

Makefile

@@ -97,6 +97,7 @@ build: build-bundle build-docs
 build-bundle: node_modules
 	$(NODE_BIN)/rollup --config $(CONFIG_PATH)/rollup.js
 	sed -i '1s;^;#! /usr/bin/env node\n\n;' $(TARGET_PATH)/index.js
+	chmod ug+x $(TARGET_PATH)/index.js
 
 build-docs: ## generate html docs
 	$(NODE_BIN)/api-extractor run --config $(CONFIG_PATH)/api-extractor.json --local -v

README.md

@@ -25,6 +25,7 @@ supports multiple documents per stream or file, inserting defaults, and other ma
       - [List Mode](#list-mode)
     - [Rules](#rules)
       - [Enabling Rules](#enabling-rules)
+      - [Loading Rules](#loading-rules)
       - [Validate Rules](#validate-rules)
   - [License](#license)
 
@@ -326,6 +327,16 @@ To enable a group of rules by level, `--include-level warn`.
 
 To enable a group of rules by tag, `--include-tag foo`.
 
+#### Loading Rules
+
+Rules can be loaded from a file, module, or path.
+
+To load a file by name, `--rule-file foo.yml`. This will accept any extension.
+
+To load a module, `--rule-module foo`. The required module exports [are documented here](./docs/rules.md#from-module).
+
+To load a path, `--rule-path foo/`. This will recursively load any files matching `*.+(json|yaml|yml)`.
+
 #### Validate Rules
 
 To validate the rules in the `rules/` directory using the meta-rules: