fix(flowchart): build image deterministik dengan lockfile dan npm ci

.gitmodules

@@ -1,3 +1,3 @@
 [submodule "velxio"]
 	path = velxio
-	url = https://git.manakin-gentoo.ts.net/a2nr/velxio.git
+	url = https://repo-rahasia.manakin-gentoo.ts.net/a2nr/velxio.git

flowchart/.dockerignore

@@ -0,0 +1,7 @@
+node_modules
+dist
+dist-ssr
+.git
+.gitignore
+*.log
+.vscode

flowchart/Dockerfile

@@ -2,8 +2,8 @@
 FROM node:20-slim AS builder
 
 WORKDIR /app
-COPY package.json package-lock.json* ./
-RUN npm install
+COPY package.json package-lock.json ./
+RUN npm ci --no-audit --no-fund
 
 COPY . .
 RUN npm run build