Major plugin updates

v3/examples/plugins/hashes/README.md

@@ -0,0 +1,32 @@
+# Hashes Plugin
+
+This example plugin provides a way to generate hashes of strings.
+
+## Usage
+
+Add the plugin to the `Plugins` option in the Applications options:
+
+```go
+    Plugins: map[string]application.Plugin{
+        "hashes": hashes.NewPlugin(),
+    },
+```
+
+You can then call the Generate method from the frontend:
+
+```js
+    import {Call} from "/wails/runtime.js";
+    Call.Plugin("hashes","Generate","hello world").then((result) => console.log(result))
+```
+
+This method returns a struct with the following fields:
+
+```typescript
+    interface Hashes {
+        md5: string;
+        sha1: string;
+        sha256: string;
+    }
+```
+
+A TypeScript definition file is provided for this interface.

v3/examples/plugins/hashes/plugin.go

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+package hashes
+
+import (
+	"crypto/md5"
+	"crypto/sha1"
+	"crypto/sha256"
+	"encoding/hex"
+	"github.com/wailsapp/wails/v3/pkg/application"
+	"io/fs"
+)
+
+// ---------------- Plugin Setup ----------------
+
+type Plugin struct{}
+
+func NewPlugin() *Plugin {
+	return &Plugin{}
+}
+
+func (r *Plugin) Shutdown() error { return nil }
+
+func (r *Plugin) Name() string {
+	return "Hashes Plugin"
+}
+
+func (r *Plugin) Init(api application.PluginAPI) error {
+	return nil
+}
+
+func (r *Plugin) CallableByJS() []string {
+	return []string{
+		"Generate",
+	}
+}
+
+func (r *Plugin) Assets() fs.FS {
+	return nil
+}
+
+// ---------------- Plugin Methods ----------------
+
+type Hashes struct {
+	MD5    string `json:"md5"`
+	SHA1   string `json:"sha1"`
+	SHA256 string `json:"sha256"`
+}
+
+func (r *Plugin) Generate(s string) Hashes {
+	md5Hash := md5.Sum([]byte(s))
+	sha1Hash := sha1.Sum([]byte(s))
+	sha256Hash := sha256.Sum256([]byte(s))
+
+	return Hashes{
+		MD5:    hex.EncodeToString(md5Hash[:]),
+		SHA1:   hex.EncodeToString(sha1Hash[:]),
+		SHA256: hex.EncodeToString(sha256Hash[:]),
+	}
+}

v3/examples/plugins/hashes/plugin.toml

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+# This is the plugin definition file for the "Hashes" plugin.
+
+Name = "Hashes"
+Description = "Provides a method to generate a number of hashes."
+Author = "Lea Anthony"
+Version = "v1.0.0"
+Website = "https://wails.io"
+License = "MIT"
+
+