Add settings dialog for Sky Mode and Skip Prompt, update main HTML and script

- Created `settings.html` with a dialog for adjusting settings related to Sky Mode and Skip Prompt.
- Updated `main.html` to include context menus for folder operations.
- Enhanced `main.js` with functionality to handle settings changes, apply Sky Mode, and add copy-to-clipboard feature for diffs.

This commit message was automatically generated by auto-git

preload.js

@@ -1,5 +1,12 @@
 const { contextBridge, ipcRenderer } = require('electron');
 
+contextBridge.exposeInMainWorld('settingsAPI', {
+  getSkyMode:  ()    => ipcRenderer.invoke('get-skymode'),
+  setSkyMode:  val   => ipcRenderer.invoke('set-skymode', val),
+  getSkipPrompt: ()    => ipcRenderer.invoke('get-skip-git-prompt'),
+  setSkipPrompt: val   => ipcRenderer.invoke('set-skip-git-prompt', val)
+});
+
 contextBridge.exposeInMainWorld('electronAPI', {
   getFolders:     ()       => ipcRenderer.invoke('get-folders'),
   addFolder:      ()       => ipcRenderer.invoke('add-folder'),
@@ -12,8 +19,18 @@ contextBridge.exposeInMainWorld('electronAPI', {
   revertCommit: (folder, hash) => ipcRenderer.invoke('revert-commit', folder, hash),
   snapshotCommit: (folder, hash) => ipcRenderer.invoke('snapshot-commit', folder, hash),
   checkoutCommit: (folder, hash) => ipcRenderer.invoke('checkout-commit', folder, hash),
+  getCommitCount:  folder => ipcRenderer.invoke('get-commit-count', folder),
+  hasDiffs:        folder => ipcRenderer.invoke('has-diffs', folder),
+  removeGitFolder: folder => ipcRenderer.invoke('remove-git-folder', folder),
+  getSkipPrompt: ()      => ipcRenderer.invoke('get-skip-git-prompt'),
+  setSkipPrompt: val     => ipcRenderer.invoke('set-skip-git-prompt', val),
+  showFolderContextMenu: folderPath => ipcRenderer.send('show-folder-context-menu', folderPath),
 });
 
 ipcRenderer.on('repo-updated', (_e, folder) => {
   window.dispatchEvent(new CustomEvent('repo-updated', { detail: folder }));
+});
+
+ipcRenderer.on('skymode-changed', (_e, val) => {
+  window.dispatchEvent(new CustomEvent('skymode-changed', { detail: val }));
 });