+ Tsconfig with some semi strict rules

Keeping the config lenient for now because more changes have to happen first

freechat-client/tsconfig.json

@@ -0,0 +1,28 @@
+{
+  "compilerOptions": {
+    "target": "es5",
+    "module": "commonjs",
+    "rootDir": "./src/",
+    "importHelpers": true,
+    /* Strict Type-Checking Options */
+    /* "strict": true, */
+    /* "strictNullChecks": true, */
+    "strictFunctionTypes": true,
+    "noImplicitThis": true,
+    /* "alwaysStrict": true, */
+
+    /* Additional Checks */
+    "noUnusedLocals": true,
+    "noUnusedParameters": true,
+    "noImplicitReturns": true,
+    "noFallthroughCasesInSwitch": true,
+    /*"noUncheckedIndexedAccess": true, */
+    /*"noPropertyAccessFromIndexSignature": true, */
+
+    /* Module Resolution Options */
+    "esModuleInterop": true,
+    "skipLibCheck": true,
+    "forceConsistentCasingInFileNames": true,
+	"resolveJsonModule": true
+  }
+}