feat(bots/discord): framework changes and new features

- Migrated to a new command framework which looks better and works better
- Fixed commands not being bundled correctly
- Added message (prefix) commands with argument validation
- Added a new CommandErrorType, for invalid arguments
- `/eval` is now a bit safer
- Corrected colors for the coinflip embed
- `/stop` now works even when the bot is not connected to the API

bots/discord/src/utils/fs.ts

@@ -7,17 +7,27 @@ export const listAllFilesRecursive = (dir: string): string[] =>
         .filter(x => x.isFile())
         .map(x => join(x.parentPath, x.name).replaceAll(pathSep, posixPathSep))
 
-export const generateCommandsIndex = (dirPath: string) => generateIndexes(dirPath, x => !x.endsWith('types.ts'))
+export const generateCommandsIndex = (dirPath: string) =>
+    generateIndexes(dirPath, (x, i) => `export { default as C${i} } from './${x}'`)
 
 export const generateEventsIndex = (dirPath: string) => generateIndexes(dirPath)
 
-const generateIndexes = async (dirPath: string, pathFilter?: (path: string) => boolean) => {
+const generateIndexes = async (
+    dirPath: string,
+    customMap?: (path: string, index: number) => string,
+    pathFilter?: (path: string) => boolean,
+) => {
     const files = listAllFilesRecursive(dirPath)
-        .filter(x => (x.endsWith('.ts') && !x.endsWith('index.ts') && pathFilter ? pathFilter(x) : true))
+        .filter(x => x.endsWith('.ts') && !x.endsWith('index.ts') && (pathFilter ? pathFilter(x) : true))
         .map(x => relative(dirPath, x).replaceAll(pathSep, posixPathSep))
 
     writeFileSync(
         join(dirPath, 'index.ts'),
-        `// AUTO-GENERATED BY A SCRIPT, DON'T TOUCH\n\n${files.map(c => `import './${c.split('.').at(-2)}'`).join('\n')}`,
+        `// AUTO-GENERATED BY A SCRIPT, DON'T TOUCH\n\n${files
+            .map((c, i) => {
+                const path = c.split('.').at(-2)!
+                return customMap ? customMap(path, i) : `import './${path}'`
+            })
+            .join('\n')}`,
     )
 }