v0.4.0-rev0

Changelog

• 568f442 Updating installation docs (#111)
• d260128 cleanup
• 2d52f87 cmd: add install command
• 2d3ab7e cmd: update default registry base URL
• 03aa289 examples/templates: update examples
• 1d819e3 parser: simplify global config parsing
• 0413e5a plugin/pluginapi/v1: better logging & some cleanup
• 0df8385 plugin/pluginapi/v1: increase gRPC call message size (#114)
• 0ef0b1c plugin/resolver: implement plugin resolver
• 65cf2d5 plugin/runner: use plugin resolver from other package
• 0425861 tools/pluginmeta: split plugin archives & generate plugin metadata file with releases