deps: require serverkit v1.0.0+ / Support Ruby v2.7+ (#7)

* deps: require serverkit v1.0.0 or more

to handle falsy attribute correctly

* Support Ruby 2.7+

- ci: CI against Ruby 2.7, 3.0

* Update README.md

Author: toshimaru

.github/workflows/test.yml

@@ -6,7 +6,7 @@ jobs:
     strategy:
       matrix:
         os: [ubuntu-latest, macos-latest]
-        ruby: ["3.1", "3.2", "3.3", "3.4"]
+        ruby: ["2.7", "3.0", "3.1", "3.2", "3.3", "3.4"]
     runs-on: ${{ matrix.os }}
     steps:
       - uses: actions/checkout@v4

README.md

@@ -14,7 +14,33 @@ gem "serverkit-mise"
 
 ## Usage
 
-TODO: Write usage instructions here
+### Prerequisites
+
+- Ensure you have [serverkit](https://github.com/serverkit/serverkit) gem installed
+- Ensure you have [mise](https://github.com/jdx/mise) installed on your system
+
+### Basic Example
+
+Create a recipe file that uses the mise resources:
+
+```yaml
+# recipe.yml
+resources:
+  # Install Node.js using mise
+  - type: mise_install
+    name: node
+    version: 20.10.0
+  # Install Ruby and set it as global
+  - type: mise_use
+    name: ruby
+    version: 3.3.0
+```
+
+Then apply your recipe with Serverkit:
+
+```console
+$ serverkit apply recipe.yml
+```
 
 ## Resource
 

serverkit-mise.gemspec

@@ -12,7 +12,7 @@ Gem::Specification.new do |spec|
   spec.description = "Serverkit plug-in for mise."
   spec.homepage = "https://github.com/serverkit/serverkit-mise"
   spec.license = "MIT"
-  spec.required_ruby_version = ">= 3.1.0"
+  spec.required_ruby_version = ">= 2.7.0"
 
   spec.metadata["homepage_uri"] = spec.homepage
   spec.metadata["source_code_uri"] = "https://github.com/serverkit/serverkit-mise"
@@ -31,5 +31,5 @@ Gem::Specification.new do |spec|
   spec.executables = spec.files.grep(%r{\Aexe/}) { |f| File.basename(f) }
   spec.require_paths = ["lib"]
 
-  spec.add_dependency "serverkit"
+  spec.add_dependency "serverkit", ">= 1.0.0"
 end