docs(API): add missing config options to cli.md (#1880)

This adds a table of config options for v4 to the API documentation.

src/content/api/cli.md

@@ -141,6 +141,16 @@ Invocation                               | Resulting environment
 
 T> See the [environment variables](/guides/environment-variables) guide for more information on its usage.
 
+### Config Options
+
+Parameter                 | Explanation                                 | Input type | Default
+------------------------- | ------------------------------------------- | ---------- | ------------------
+`--config`                | Path to the config file                     | string     | webpack.config.js or webpackfile.js
+`--config-register, -r`   | Preload one or more modules before loading the webpack configuration | array | 
+`--config-name`           | Name of the config to use                   | string     | 
+`--env`                   | Environment passed to the config, when it is a function | 
+`--mode`                  | Mode to use, either "development" or "production" | string      | 
+
 ### Output Options
 
 This set of options allows you to manipulate certain [output](/configuration/output) parameters of your build.
@@ -196,7 +206,7 @@ Parameter    | Explanation                                      | Input type | D
 `--debug`    | Switch loaders to debug mode                     | boolean    | false
 `--devtool`  | Define [source map type](/configuration/devtool/) for the bundled resources | string | -
 `--progress` | Print compilation progress in percentage         | boolean    | false
-
+`--display-error-details` | Display details about errors | boolean | false 
 
 ### Module Options
 

src/content/api/loaders.md

@@ -36,7 +36,7 @@ __sync-loader-with-multiple-results.js__
 
 ``` js
 module.exports = function(content, map, meta) {
-  this.callback(null, someSyncOperation(content), sourceMaps, meta);
+  this.callback(null, someSyncOperation(content), map, meta);
   return; // always return undefined when calling callback()
 };
 ```

src/content/plugins/index.md

@@ -6,6 +6,7 @@ contributors:
   - rouzbeh84
   - aretecode
   - eko3alpha
+  - refactorized
 ---
 
 webpack has a rich plugin interface. Most of the features within webpack itself use this plugin interface. This makes webpack **flexible**.
@@ -18,6 +19,7 @@ Name                                                     | Description
 [`CommonsChunkPlugin`](/plugins/commons-chunk-plugin)    | Extract common modules shared between chunks
 [`CompressionWebpackPlugin`](/plugins/compression-webpack-plugin) | Prepare compressed versions of assets to serve them with Content-Encoding
 [`ContextReplacementPlugin`](/plugins/context-replacement-plugin) | Override the inferred context of a `require` expression
+[`CopyWebpackPlugin`](/plugins/copy-webpack-plugin) | Copies individual files or entire directories to the build directory
 [`DefinePlugin`](/plugins/define-plugin)           | Allow global constants configured at compile time
 [`DllPlugin`](/plugins/dll-plugin)                 | Split bundles in order to drastically improve build time
 [`EnvironmentPlugin`](/plugins/environment-plugin) | Shorthand for using the [`DefinePlugin`](./define-plugin) on `process.env` keys