chore: add techbase to apps-archived

Integrated techbase (software comparison platform) into monorepo structure:
- Created NestJS backend with votes and comments modules
- Migrated from external Supabase to own PostgreSQL
- Set up Drizzle ORM schema for votes and comments
- Created API client replacing Supabase in Astro frontend
- Added environment configuration (port 3021)

Archived immediately as it's not yet ready for active development.

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

apps-archived/techbase/apps/backend/src/comments/comments.controller.ts

@@ -0,0 +1,57 @@
+import { Controller, Post, Get, Patch, Delete, Body, Param, Req } from '@nestjs/common';
+import { Request } from 'express';
+import { CommentsService } from './comments.service';
+import { CreateCommentDto } from './dto/create-comment.dto';
+
+@Controller('comments')
+export class CommentsController {
+	constructor(private readonly commentsService: CommentsService) {}
+
+	@Post()
+	async createComment(@Body() createCommentDto: CreateCommentDto, @Req() req: Request) {
+		const ipAddress = req.ip || req.socket.remoteAddress || 'unknown';
+		return this.commentsService.createComment(
+			createCommentDto.softwareId,
+			createCommentDto.userName,
+			createCommentDto.comment,
+			ipAddress
+		);
+	}
+
+	@Get(':softwareId')
+	async getComments(@Param('softwareId') softwareId: string) {
+		return this.commentsService.getApprovedComments(softwareId);
+	}
+}
+
+@Controller('admin/comments')
+export class AdminCommentsController {
+	constructor(private readonly commentsService: CommentsService) {}
+
+	@Get()
+	async getAllComments() {
+		return this.commentsService.getAllComments();
+	}
+
+	@Get('pending')
+	async getPendingComments() {
+		return this.commentsService.getPendingComments();
+	}
+
+	@Patch(':id/approve')
+	async approveComment(@Param('id') id: string) {
+		// TODO: Get actual moderator ID from auth
+		return this.commentsService.approveComment(id, 'admin');
+	}
+
+	@Patch(':id/reject')
+	async rejectComment(@Param('id') id: string) {
+		// TODO: Get actual moderator ID from auth
+		return this.commentsService.rejectComment(id, 'admin');
+	}
+
+	@Delete(':id')
+	async deleteComment(@Param('id') id: string) {
+		return this.commentsService.deleteComment(id);
+	}
+}