Improve README

README.md

@@ -34,49 +34,17 @@ sudo make install
 
 ### Usage
 
-```
-Usage: rbbuild {options} def-file target-dir
-
-Options
-
-  --threads, -t num           Number of threads for build process
-  --no-patch, -np             Skip patch directives in definition file
-  --cc-comp, -cc path/name    Path to C compiler
-  --cxx-comp, -cxx path       Path to C++ compiler
-  --ignore-checksums, -ic     Skip checksum check
-  --ignore-loadavg, -il       Ignore check for high LA
-  --mirror, -m name           Mirror name for downloading source archives from it
-  --mirror-list, -L           Show list of all available mirrors
-  --dl-cache, -dc path        Path to download cache
-  --rbenv, -r                 Automatically install to RBEnv
-  --name, -rn name            Define name of ruby in RBEnv (--rbenv is required)
-  --proxy, -P url             Use HTTP proxy on given host and port
-  --debug, -D                 Don't remove build directory and other build data after installation
-  --output, -O path           Output path (default /dev/stdout)
-  --quiet, -q                 Quiet mode
-  --verbose, -V               Verbose mode
-  --tmp, -T path              Path to temporary directory (used for unpacking files and build process)
-  --yes, -y                   Answer "yes" to all questions
-  --continue, -C              Don't clean prefix directory before build
-  --no-colors, -nc            Don't use colors in output
-  --no-spinner, -ns           Don't show spinner
-  --help, -h                  Show this help message
-  --version, -v               Show information about version
-
-Examples
-
-  rbbuild 2.7.5 /home/user/ruby-2.7.5 -t 4 -m essentialkaos
-  Build 2.7.5 with sources from EK mirror using 4 threads
-
-  rbbuild 3.0.5 /home/user/ruby-3.0.5
-  Build 3.0.5 and install it to given directory
-
-  rbbuild 3.1.1 -r
-  Build 3.1.1 and install it to RBEnv
-
-  rbbuild 3.1.1 | more
-  Show def file for 3.1.1
-```
+#### `rbbuild`
+
+<img src=".github/images/rbbuild.svg" />
+
+#### `rbdef`
+
+<img src=".github/images/rbdef.svg" />
+
+#### `mass-builder`
+
+<img src=".github/images/mass-builder.svg" />
 
 ### CI Status