fix: add release-please automation

- Add release-please workflow for automated version bumping
- Update README version examples from 0.1/0.2 to 0.6

Author: seuros

.github/workflows/release-please.yml

@@ -0,0 +1,17 @@
+on:
+  push:
+    branches:
+      - master
+
+permissions:
+  contents: write
+  issues: write
+  pull-requests: write
+
+name: release-please
+
+jobs:
+  release-please:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: googleapis/release-please-action@v4

.release-please-manifest.json

@@ -0,0 +1,5 @@
+{
+  "state-machines": "0.6.0",
+  "state-machines-core": "0.6.0",
+  "state-machines-macro": "0.6.0"
+}

README.md

@@ -63,7 +63,7 @@ Add to your `Cargo.toml`:
 
 ```toml
 [dependencies]
-state-machines = "0.1"
+state-machines = "0.6"
 ```
 
 ### Basic Example
@@ -730,7 +730,7 @@ state_machine! {
 **Option 2: Cargo feature flag (conditional compilation)**
 ```toml
 [dependencies]
-state-machines = { version = "0.2", features = ["dynamic"] }
+state-machines = { version = "0.6", features = ["dynamic"] }
 ```
 
 With the feature flag enabled, ALL state machines get dynamic dispatch without explicit `dynamic: true`.
@@ -1056,7 +1056,7 @@ fn embedded_main() {
 # fn main() {} // For doctest
 ```
 
-- Disable default features: `state-machines = { version = "0.1", default-features = false }`
+- Disable default features: `state-machines = { version = "0.6", default-features = false }`
 - The library uses no allocator - purely stack-based with zero-sized state markers
 - CI runs `cargo build --no-default-features` to prevent std regressions
 - See `examples/no_std_flight/` for a complete embedded example

release-please-config.json

@@ -0,0 +1,16 @@
+{
+  "packages": {
+    "state-machines": {
+      "release-type": "rust",
+      "component": "state-machines"
+    },
+    "state-machines-core": {
+      "release-type": "rust",
+      "component": "state-machines-core"
+    },
+    "state-machines-macro": {
+      "release-type": "rust",
+      "component": "state-machines-macro"
+    }
+  }
+}