Initial Filamenteka setup - Bambu Lab filament tracker

- React + TypeScript frontend with automatic color coding
- Confluence API integration for data sync
- AWS Amplify deployment with Terraform
- Support for all Bambu Lab filament colors including gradients

terraform/main.tf

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+terraform {
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+  required_version = ">= 1.0"
+}
+
+provider "aws" {
+  region = "eu-central-1" # Frankfurt
+}
+
+resource "aws_amplify_app" "filamenteka" {
+  name       = "filamenteka"
+  repository = var.github_repository
+
+  # GitHub access token for private repos
+  access_token = var.github_token
+
+  # Build settings
+  build_spec = <<-EOT
+    version: 1
+    frontend:
+      phases:
+        preBuild:
+          commands:
+            - npm ci
+        build:
+          commands:
+            - npm run build
+      artifacts:
+        baseDirectory: dist
+        files:
+          - '**/*'
+      cache:
+        paths:
+          - node_modules/**/*
+  EOT
+
+  # Environment variables
+  environment_variables = {
+    CONFLUENCE_API_URL = var.confluence_api_url
+    CONFLUENCE_TOKEN   = var.confluence_token
+    CONFLUENCE_PAGE_ID = var.confluence_page_id
+  }
+
+  # Custom rules for single-page app
+  custom_rule {
+    source = "/<*>"
+    status = "404"
+    target = "/index.html"
+  }
+
+  # Enable branch auto build
+  enable_branch_auto_build = true
+
+  tags = {
+    Name        = "Filamenteka"
+    Environment = var.environment
+  }
+}
+
+# Main branch
+resource "aws_amplify_branch" "main" {
+  app_id      = aws_amplify_app.filamenteka.id
+  branch_name = "main"
+
+  # Enable auto build
+  enable_auto_build = true
+
+  # Environment variables specific to this branch (optional)
+  environment_variables = {}
+
+  stage = "PRODUCTION"
+
+  tags = {
+    Name        = "Filamenteka-main"
+    Environment = var.environment
+  }
+}
+
+# Development branch (optional)
+resource "aws_amplify_branch" "dev" {
+  app_id      = aws_amplify_app.filamenteka.id
+  branch_name = "dev"
+
+  enable_auto_build = true
+
+  stage = "DEVELOPMENT"
+
+  tags = {
+    Name        = "Filamenteka-dev"
+    Environment = "development"
+  }
+}
+
+# Custom domain (optional)
+resource "aws_amplify_domain_association" "filamenteka" {
+  count = var.domain_name != "" ? 1 : 0
+
+  app_id      = aws_amplify_app.filamenteka.id
+  domain_name = var.domain_name
+
+  # Map main branch to root domain
+  sub_domain {
+    branch_name = aws_amplify_branch.main.branch_name
+    prefix      = ""
+  }
+
+  # Map dev branch to dev subdomain
+  sub_domain {
+    branch_name = aws_amplify_branch.dev.branch_name
+    prefix      = "dev"
+  }
+}