Added recommended extensions to dev container

.devcontainer/Dockerfile.dev

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+# Main stage
+FROM alpine:edge
+
+LABEL org.opencontainers.image.title="Stirling-PDF"
+LABEL org.opencontainers.image.description="A powerful locally hosted web-based PDF manipulation tool supporting 50+ operations including merging, splitting, conversion, OCR, watermarking, and more."
+LABEL org.opencontainers.image.source="https://github.com/Stirling-Tools/Stirling-PDF"
+LABEL org.opencontainers.image.licenses="MIT"
+LABEL org.opencontainers.image.vendor="Stirling-Tools"
+LABEL org.opencontainers.image.url="https://www.stirlingpdf.com"
+LABEL org.opencontainers.image.documentation="https://docs.stirlingpdf.com"
+LABEL maintainer="Stirling-Tools"
+LABEL org.opencontainers.image.authors="Stirling-Tools"
+LABEL org.opencontainers.image.keywords="PDF, manipulation, merge, split, convert, OCR, watermark"
+
+# Set Environment Variables
+ENV DOCKER_ENABLE_SECURITY=false \
+        JAVA_TOOL_OPTIONS="-XX:+UnlockExperimentalVMOptions \
+        -XX:MaxRAMPercentage=75 \
+        -XX:InitiatingHeapOccupancyPercent=20 \
+        -XX:+G1PeriodicGCInvokesConcurrent \
+        -XX:G1PeriodicGCInterval=10000 \
+        -XX:+UseStringDeduplication \
+        -XX:G1PeriodicGCSystemLoadThreshold=70" \
+        HOME=/home/stirlingpdfuser \
+        PUID=1000 \
+        PGID=1000 \
+        UMASK=022
+
+
+# JDK for app
+RUN echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/main" | tee -a /etc/apk/repositories && \
+        echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/community" | tee -a /etc/apk/repositories && \
+        echo "@testing https://dl-cdn.alpinelinux.org/alpine/edge/testing" | tee -a /etc/apk/repositories
+RUN apk upgrade  -a
+RUN apk add ca-certificates
+RUN apk add tzdata
+RUN apk add tini
+RUN apk add bash
+RUN apk add curl
+RUN apk add git
+
+RUN apk add qpdf
+RUN apk add shadow
+RUN apk add su-exec
+RUN apk add openssl
+RUN apk add openssl-dev
+RUN apk add openjdk21
+# Doc conversion
+RUN apk add libreoffice
+# pdftohtml
+RUN apk add poppler-utils
+# OCR MY PDF (unpaper for descew and other advanced features)
+RUN apk add tesseract-ocr-data-eng
+# python3/pip
+
+RUN apk add python3
+RUN apk add py3-pip
+RUN apk add py3-opencv
+RUN apk add -X https://dl-cdn.alpinelinux.org/alpine/edge/testing py3-unoconv
+RUN apk add -X https://dl-cdn.alpinelinux.org/alpine/edge/testing py3-pdf2image
+RUN apk add -X https://dl-cdn.alpinelinux.org/alpine/edge/testing py3-pillow
+
+RUN pip install --break-system-packages --upgrade WeasyPrint
+
+EXPOSE 8080/tcp

.devcontainer/devcontainer.json

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+// For format details, see https://aka.ms/devcontainer.json. For config options, see the
+// README at: https://github.com/devcontainers/templates/tree/main/src/docker-existing-dockerfile
+{
+	"name": "Existing Dockerfile",
+	"build": {
+		// Sets the run context to one level up instead of the .devcontainer folder.
+		"context": "..",
+		// Update the 'dockerFile' property if you aren't using the standard 'Dockerfile' filename.
+		"dockerfile": "./Dockerfile.dev"
+	},
+	// Features to add to the dev container. More info: https://containers.dev/features.
+	// "features": {},
+	// Use 'forwardPorts' to make a list of ports inside the container available locally.
+	"forwardPorts": [
+		8080
+	],
+	// Uncomment the next line to run commands after the container is created.
+	// "postCreateCommand": "cat /etc/os-release",
+	// Configure tool-specific properties.
+	"customizations": {
+		"vscode": {
+			"extensions": [
+				"elagil.pre-commit-helper", // Support for pre-commit hooks to enforce code quality
+				"josevseb.google-java-format-for-vs-code", // Google Java code formatter to follow the Google Java Style Guide
+				"ms-python.black-formatter", // Python code formatter using Black
+				"ms-python.flake8", // Flake8 linter for Python to enforce code quality
+				"ms-python.python", // Official Microsoft Python extension with IntelliSense, debugging, and Jupyter support
+				// "ms-vscode-remote.remote-containers", // Support for remote development with containers (Docker, Dev Containers)
+				// "ms-vscode-remote.vscode-remote-extensionpack", // Remote Development Pack for SSH, WSL, and Containers
+				"Oracle.oracle-java", // Oracle Java extension with additional features for Java development
+				"redhat.java", // Java support by Red Hat with IntelliSense, debugging, and code navigation
+				"shengchen.vscode-checkstyle", // Checkstyle integration for Java code quality checks
+				"streetsidesoftware.code-spell-checker", // Spell checker for code to avoid typos
+				"vmware.vscode-boot-dev-pack", // Developer tools for Spring Boot by VMware
+				"vmware.vscode-spring-boot", // Spring Boot tools by VMware for enhanced Spring development
+				"vscjava.vscode-gradle", // Gradle extension for build and automation support
+				"vscjava.vscode-java-debug", // Debugging support for Java projects
+				"vscjava.vscode-java-dependency", // Java dependency management within VS Code
+				"vscjava.vscode-java-pack", // Java Extension Pack with essential Java tools for VS Code
+				"vscjava.vscode-java-test", // Java test framework for running and debugging tests in VS Code
+				"vscjava.vscode-spring-boot-dashboard", // Spring Boot dashboard for managing and visualizing Spring Boot applications
+				"vscjava.vscode-spring-initializr", // Support for Spring Initializr to create new Spring projects
+				"ms-azuretools.vscode-docker" // build, manage, and deploy containerized applications from Visual Studio Code
+			]
+		}
+	}
+	// Uncomment to connect as an existing user other than the container default. More info: https://aka.ms/dev-containers-non-root.
+	// "remoteUser": "devcontainer"
+}