Add sync command

README.md

@@ -0,0 +1,39 @@
+# Git repositories manager
+
+Sync your repositories with single click
+
+## Usage
+
+Create a yaml file with the given structure
+
+```yaml
+# Place where your repositories should be saved
+workspace: ${HOME}/workspace 
+# List with repositories, that you want to manage with GRM
+repositories:
+- src: "git@github.com:Revalus/GitRepositoryManager.git"
+  name: GRM     # Optional, Uniq - if no name is specified, the repository will be treated as a name
+  dest: manager # Optional, Uniq - if no value is specified, name will be taken as destination 
+```
+
+### Note
+
+By default, the config file is searched for in `[HOME_DIR]./config/grm/config.yaml`.  
+
+## Commands and arguments
+
+### Global args
+
+| argument          | type   | default                              | Description                                                          |
+|-------------------|--------|--------------------------------------|----------------------------------------------------------------------|
+| -c, --config-file | string | `[HOME_DIR]./config/grm/config.yaml` | Path to configuration file, where the repositories must be specified |
+
+### Commands
+
+| command | Description |
+|---------|-------------|
+| sync    | Fetches changes from repositories or pulls a repository if one does not exist.
+
+## Changelog
+
+0.1 Add sync command - allow to fetch and clone repositories