Rename project from "Cheating Daddy" to "Mastermind" across all files, update version to 0.6.0, and implement migration functionality for users with existing configurations. Enhance onboarding experience with migration options and update relevant documentation.

src/components/views/MainView.js

@@ -150,7 +150,7 @@ export class MainView extends LitElement {
     }
 
     async _loadApiKey() {
-        this.apiKey = await cheatingDaddy.storage.getApiKey();
+        this.apiKey = await mastermind.storage.getApiKey();
         this.requestUpdate();
     }
 
@@ -186,7 +186,7 @@ export class MainView extends LitElement {
 
     async handleInput(e) {
         this.apiKey = e.target.value;
-        await cheatingDaddy.storage.setApiKey(e.target.value);
+        await mastermind.storage.setApiKey(e.target.value);
         // Clear error state when user starts typing
         if (this.showApiKeyError) {
             this.showApiKeyError = false;
@@ -226,7 +226,7 @@ export class MainView extends LitElement {
             <div class="input-group">
                 <input
                     type="password"
-                    placeholder="Enter your Gemini API Key"
+                    placeholder="Enter your AI Provider API Key"
                     .value=${this.apiKey}
                     @input=${this.handleInput}
                     class="${this.showApiKeyError ? 'api-key-error' : ''}"
@@ -235,10 +235,10 @@ export class MainView extends LitElement {
                     ${this.getStartButtonText()}
                 </button>
             </div>
-            <p class="description">
+            <!-- <p class="description">
                 dont have an api key?
                 <span @click=${this.handleAPIKeyHelpClick} class="link">get one here</span>
-            </p>
+            </p> -->
         `;
     }
 }