Add settings file

.vscode/settings.json

+{
+  /*
+   * VS Code settings for nshmp-haz.
+   *
+   * For more information on settings,
+   * visit: https://code.visualstudio.com/docs/getstarted/settings
+   */
+  "editor.rulers": [
+    {
+      "column": 100
+    }
+  ],
+  "editor.tabSize": 2,
+  "files.associations": {
+    "*.geojson": "json"
+  },
+  "java.compile.nullAnalysis.mode": "automatic",
+  "java.configuration.updateBuildConfiguration": "automatic",
+  "java.import.generatesMetadataFilesAtProjectRoot": true,
+  "files.exclude": {
+    "**/.classpath": true,
+    "**/.DS_Store": true,
+    "**/.factorypath": true,
+    "**/.git": true,
+    "**/.gradle": true,
+    "**/.project": true,
+    "**/.settings": true,
+    "**/bin": true,
+    "**/node_modules": true,
+  }
+}