README: Add Usage

CreateExe.bat

@@ -1,4 +1,5 @@
-pyinstaller --noconfirm ^
+pyinstaller ^
+    --noconfirm ^
     --onefile ^
     --console ^
     --icon "NONE" ^

README.md

@@ -3,3 +3,43 @@
 
 A standalone [WeasyPrint](https://weasyprint.org/) wrapper for Windows.
 
+
+# Usage
+
+Synopsis:
+```
+winziprint [-h] [-v] [-d DIR] [ -D | [-p] [-2] [-e ENCODING] [ - | INPUT [INPUT...] OUTPUT ] ]
+```
+
+Command line options:
+* `-h`, `--help` - show help message and exit
+* `-V`, `--version` - show version and exit
+* `-D`, `--daemon` - run as a daemon and expose a named socket
+* `-d`, `--directory` - set the working directory
+* `-e`, `--encoding` - encoding of the input files
+* `-2`, `-double-sided` - pad documents to an event number of pages
+* `-p`, `--progress` - show progress updates
+
+Command line arguments:
+* `-` - use stdin for retrieving input and output file names (semi-colon-seperated)
+* `INPUT` - name of a html input file
+* `OUTPUT` - name of a pdf output file
+
+
+## Normal mode
+
+In normal mode all options, input and output files are passed by command line arguments.
+
+
+## Batch mode
+
+To activate batch mode `-` has to be passed as only input or output file.
+In batch mode all options may be passed as command line arguments. These are used as defaults.
+
+
+## Server mode
+
+To activate server mode the `-D` flag has to be set.
+Keep in mind, that not all command line options may be present.
+The protocol is the same as in server mode.
+