LSP support

clients/vscode/.vscode/launch.json

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+{
+    "version": "0.1.0",
+    "configurations": [
+        {
+            "name": "Launch Extension",
+            "type": "extensionHost",
+            "request": "launch",
+            "runtimeExecutable": "${execPath}",
+            "args": ["--extensionDevelopmentPath=${workspaceRoot}" ],
+            "stopOnEntry": false,
+            "sourceMaps": true,
+            "outFiles": [ "${workspaceRoot}/out/src/**/*.js" ],
+            "preLaunchTask": "npm"
+        },
+        {
+            "name": "Launch Tests",
+            "type": "extensionHost",
+            "request": "launch",
+            "runtimeExecutable": "${execPath}",
+            "args": ["--extensionDevelopmentPath=${workspaceRoot}", "--extensionTestsPath=${workspaceRoot}/out/test" ],
+            "stopOnEntry": false,
+            "sourceMaps": true,
+            "outFiles": [ "${workspaceRoot}/out/test/**/*.js" ],
+            "preLaunchTask": "npm"
+        }
+    ]
+}

clients/vscode/.vscode/settings.json

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+{
+    "files.exclude": {
+        "out": false
+    },
+    "search.exclude": {
+        "out": true
+    },
+    "typescript.tsdk": "./node_modules/typescript/lib"
+}

clients/vscode/.vscode/tasks.json

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+// Available variables which can be used inside of strings.
+// ${workspaceRoot}: the root folder of the team
+// ${file}: the current opened file
+// ${fileBasename}: the current opened file's basename
+// ${fileDirname}: the current opened file's dirname
+// ${fileExtname}: the current opened file's extension
+// ${cwd}: the current working directory of the spawned process
+
+{
+    "version": "0.1.0",
+    "command": "npm",
+    "isShellCommand": true,
+    "showOutput": "silent",
+    "args": ["run", "compile", "--loglevel", "silent"],
+    "isBackground": true,
+    "problemMatcher": "$tsc-watch"
+}

clients/vscode/.vscodeignore

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+.vscode/**
+.vscode-test/**
+.gitignore

clients/vscode/README.md

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+# Visual Studio Code Client
+This is an LSP client implementation for Visual Studio Core, for use with the Encore LSP server.
+
+## Installation
+`npm install`
+
+## Usage
+To debug the vscode extension run vscode from this folder. Start a debug session and open a .enc file.