docs: update readme

README.md

@@ -1 +1,58 @@
 # Project Manager
+
+## Install
+
+```bash
+pip install project-manager -i https://instreamatic.com/nexus/repository/pypi/simple/
+```
+
+## Usage
+
+### Show tasks list
+
+```bash
+pm [-v] [-vv]
+```
+
+### Run task
+
+```bash
+pm <task> [-v] [-vv]
+```
+
+## Presets locations
+
+- default presets `$PROJECT_MANAGER/project_manager/preset/default/*.toml`
+- user preset `$HOME/.preset.toml`
+- project preset `./.preset.toml`
+
+
+## Preset format
+
+### Template
+
+```toml
+[presets.<entry_type>.tasks.<task_name>.<tag>]
+conditions = ["<condition>"]
+commands = ["<command>"]
+```
+
+### Copy default config sample
+
+```toml
+[presets.config.tasks.setup.config]
+conditions = ["file(config/base.yaml)", "file(config/current.yaml) | not"]
+commands = ["cp ../../config/admin/dev/localhost.yaml config/current.yaml"]
+```
+
+## Condition pipe format
+
+`function_name1(arg1,arg2) | function_name2(arg1)`
+
+### Condition functions
+
+- **file**: `file(filename)` - check file/directory exists or load file content as dict for next pipe 
+- **get**: `get(keypath)` - get value from dict by key path with dot separator
+- **not**: `not` - invert pipe value as bool
+- **equal**: `equal(string)` - compare pipe value with string
+- **search**: `search(regexp, [index=1])` - match pipe value with regexp and return matched group by index (default 1)