Mono repo -> Master (#22553)

Combines the following repositories into one:

https://github.com/mattermost/mattermost-server
https://github.com/mattermost/mattermost-webapp
https://github.com/mattermost/focalboard
https://github.com/mattermost/mattermost-plugin-playbooks

webapp/platform/components/tsconfig.json

@@ -0,0 +1,21 @@
+{
+    "compilerOptions": {
+        "target": "esnext",
+        "module": "esnext",
+        "moduleResolution": "node",
+        "jsx": "react",
+        "esModuleInterop": true,
+        "forceConsistentCasingInFileNames": true,
+        "strict": true,
+        "skipLibCheck": true,
+        "strictNullChecks": true,
+        "isolatedModules": true,
+        "noEmit": true,
+        "declaration": true,
+        "outDir": "dist",
+        "paths": {
+            "mattermost-redux/*": ["./node_modules/mattermost-redux/src/*"],
+            "@mattermost/types/*": ["./node_modules/@mattermost/types/src/*"]
+        }
+    }
+}