Add Commands to README

Author: sompylasar

README.md

@@ -14,3 +14,121 @@ Run in a directory of interest via [`npx`](https://www.npmjs.com/package/npx):
 cd your-project-folder
 npx @sompylasar/code-insights <tool-name> [tool-arg]...
 ```
+
+## Commands
+
+```
+Run a tool from the toolbox.
+
+Usage: npx @sompylasar/code-insights <tool-name> [tool-arg]...
+
+Options:
+  --help  This help.
+
+Examples:
+  npx @sompylasar/code-insights js-complex
+
+  npx @sompylasar/code-insights todo --write
+
+  npx @sompylasar/code-insights --help
+
+```
+
+### `dup-names`
+
+```
+Find duplicate file names across directories.
+
+Usage: npx @sompylasar/code-insights dup-names [options]
+
+Options:
+  --js-only  Scan JavaScript (.js) files only. Default: js|scss|sass|less|css|html|json|yml
+
+  --help     This help.
+
+```
+
+### `js-complex`
+
+```
+Measure JavaScript code maintainability index of each source file via "escomplex".
+
+Usage: npx @sompylasar/code-insights js-complex [options]
+
+Options:
+  --grep <regexp>  Regular expression to match the relative file paths against.
+
+  --invert         Inverts the regular expression to ignore the matching files.
+
+  --verbose        Print detailed report.
+
+  --help           This help.
+
+Examples:
+  npx @sompylasar/code-insights js-complex
+
+  npx @sompylasar/code-insights js-complex --grep '.*/components/.*'
+
+  npx @sompylasar/code-insights js-complex --grep '.*/test/.*' --invert
+
+  npx @sompylasar/code-insights js-complex --verbose
+
+```
+
+### `js-deps`
+
+```
+Find dependencies inside source code files.
+
+Usage: npx @sompylasar/code-insights js-deps [options]
+
+Options:
+  --verbose  List all found dependencies.
+
+  --help     This help.
+
+```
+
+### `loc`
+
+```
+Count lines of code (LOC) of each file, aggregate statistics.
+
+Usage: npx @sompylasar/code-insights loc [options]
+
+Options:
+  --js-only  Scan JavaScript (.js) files only. Default: js|scss|sass|less|css|html|json|yml
+
+  --help     This help.
+
+```
+
+### `react-redux-connect`
+
+```
+Find files that may contain React Redux connected components, i.e. import from "react-redux" or "redux-form".
+
+Usage: npx @sompylasar/code-insights react-redux-connect [options]
+
+Options:
+  --help  This help.
+
+```
+
+### `todo`
+
+```
+Collect TODO comments from source code files into a Markdown list.
+
+Usage: npx @sompylasar/code-insights todo [options]
+
+Options:
+  --write [filename]          Write the file and add it to Git. Default file name: TODO.md
+
+  --team-username <username>  GitHub username of the team.
+
+  --skip-git                  Do not try to add the file to Git.
+
+  --help                      This help.
+
+```